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Finding the Fourth Proportional to 621,810.20, 932,715.30 and 222,482.30

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Solution

The fourth proportional to 621,810.20, 932,715.30 and 222,482.30 is: 333,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,810.20 : 932,715.30 = 222,482.30 : x
  2. Step 2: Convert to fraction form
    621,810.20/932,715.30 = 222,482.30/x
  3. Step 3: Cross multiply
    621,810.20x = 932,715.30 × 222,482.30
  4. Step 4: Simplify right side
    621,810.20x = 207,512,645,189.19
  5. Step 5: Solve for x
    x = 207,512,645,189.19/621,810.20
  6. Step 6: Final answer
    x = 333,723.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.