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Finding the Fourth Proportional to 621,700.40, 932,550.60 and 621,700.40

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Solution

The fourth proportional to 621,700.40, 932,550.60 and 621,700.40 is: 932,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,700.40 : 932,550.60 = 621,700.40 : x
  2. Step 2: Convert to fraction form
    621,700.40/932,550.60 = 621,700.40/x
  3. Step 3: Cross multiply
    621,700.40x = 932,550.60 × 621,700.40
  4. Step 4: Simplify right side
    621,700.40x = 579,767,081,040.24
  5. Step 5: Solve for x
    x = 579,767,081,040.24/621,700.40
  6. Step 6: Final answer
    x = 932,550.60

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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.