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Finding the Fourth Proportional to 425,369.28, 586,985.60 and 234,402.24

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Solution

The fourth proportional to 425,369.28, 586,985.60 and 234,402.24 is: 323,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,369.28 : 586,985.60 = 234,402.24 : x
  2. Step 2: Convert to fraction form
    425,369.28/586,985.60 = 234,402.24/x
  3. Step 3: Cross multiply
    425,369.28x = 586,985.60 × 234,402.24
  4. Step 4: Simplify right side
    425,369.28x = 137,590,739,487.74
  5. Step 5: Solve for x
    x = 137,590,739,487.74/425,369.28
  6. Step 6: Final answer
    x = 323,461.86

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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.