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Finding the Fourth Proportional to 710,892.36, 980,737.71 and 496,158.12

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Solution

The fourth proportional to 710,892.36, 980,737.71 and 496,158.12 is: 684,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,892.36 : 980,737.71 = 496,158.12 : x
  2. Step 2: Convert to fraction form
    710,892.36/980,737.71 = 496,158.12/x
  3. Step 3: Cross multiply
    710,892.36x = 980,737.71 × 496,158.12
  4. Step 4: Simplify right side
    710,892.36x = 486,600,973,503.02
  5. Step 5: Solve for x
    x = 486,600,973,503.02/710,892.36
  6. Step 6: Final answer
    x = 684,493.19

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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.