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Finding the Fourth Proportional to 546,806.30, 820,209.45 and 468,074.30

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Solution

The fourth proportional to 546,806.30, 820,209.45 and 468,074.30 is: 702,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,806.30 : 820,209.45 = 468,074.30 : x
  2. Step 2: Convert to fraction form
    546,806.30/820,209.45 = 468,074.30/x
  3. Step 3: Cross multiply
    546,806.30x = 820,209.45 × 468,074.30
  4. Step 4: Simplify right side
    546,806.30x = 383,918,964,162.14
  5. Step 5: Solve for x
    x = 383,918,964,162.14/546,806.30
  6. Step 6: Final answer
    x = 702,111.45

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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.