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Finding the Fourth Proportional to 530,956.86, 732,720.15 and 292,492.86

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Solution

The fourth proportional to 530,956.86, 732,720.15 and 292,492.86 is: 403,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,956.86 : 732,720.15 = 292,492.86 : x
  2. Step 2: Convert to fraction form
    530,956.86/732,720.15 = 292,492.86/x
  3. Step 3: Cross multiply
    530,956.86x = 732,720.15 × 292,492.86
  4. Step 4: Simplify right side
    530,956.86x = 214,315,412,253.13
  5. Step 5: Solve for x
    x = 214,315,412,253.13/530,956.86
  6. Step 6: Final answer
    x = 403,639.97

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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.