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Finding the Fourth Proportional to 592,142.80, 885,622.20 and 529,416.40

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Solution

The fourth proportional to 592,142.80, 885,622.20 and 529,416.40 is: 791,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,142.80 : 885,622.20 = 529,416.40 : x
  2. Step 2: Convert to fraction form
    592,142.80/885,622.20 = 529,416.40/x
  3. Step 3: Cross multiply
    592,142.80x = 885,622.20 × 529,416.40
  4. Step 4: Simplify right side
    592,142.80x = 468,862,916,884.08
  5. Step 5: Solve for x
    x = 468,862,916,884.08/592,142.80
  6. Step 6: Final answer
    x = 791,807.17

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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.