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Finding the Fourth Proportional to 572,348.52, 789,844.08 and 357,613.20

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Solution

The fourth proportional to 572,348.52, 789,844.08 and 357,613.20 is: 493,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,348.52 : 789,844.08 = 357,613.20 : x
  2. Step 2: Convert to fraction form
    572,348.52/789,844.08 = 357,613.20/x
  3. Step 3: Cross multiply
    572,348.52x = 789,844.08 × 357,613.20
  4. Step 4: Simplify right side
    572,348.52x = 282,458,668,949.86
  5. Step 5: Solve for x
    x = 282,458,668,949.86/572,348.52
  6. Step 6: Final answer
    x = 493,508.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.