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Finding the Fourth Proportional to 616,217.80, 924,326.70 and 404,710.60

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Solution

The fourth proportional to 616,217.80, 924,326.70 and 404,710.60 is: 607,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,217.80 : 924,326.70 = 404,710.60 : x
  2. Step 2: Convert to fraction form
    616,217.80/924,326.70 = 404,710.60/x
  3. Step 3: Cross multiply
    616,217.80x = 924,326.70 × 404,710.60
  4. Step 4: Simplify right side
    616,217.80x = 374,084,813,353.02
  5. Step 5: Solve for x
    x = 374,084,813,353.02/616,217.80
  6. Step 6: Final answer
    x = 607,065.90

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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.