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Finding the Fourth Proportional to 588,487.98, 812,196.14 and 343,553.08

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Solution

The fourth proportional to 588,487.98, 812,196.14 and 343,553.08 is: 474,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,487.98 : 812,196.14 = 343,553.08 : x
  2. Step 2: Convert to fraction form
    588,487.98/812,196.14 = 343,553.08/x
  3. Step 3: Cross multiply
    588,487.98x = 812,196.14 × 343,553.08
  4. Step 4: Simplify right side
    588,487.98x = 279,032,485,461.11
  5. Step 5: Solve for x
    x = 279,032,485,461.11/588,487.98
  6. Step 6: Final answer
    x = 474,151.55

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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.