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Finding the Fourth Proportional to 573,737.36, 791,776.56 and 315,625.04

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Solution

The fourth proportional to 573,737.36, 791,776.56 and 315,625.04 is: 435,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,737.36 : 791,776.56 = 315,625.04 : x
  2. Step 2: Convert to fraction form
    573,737.36/791,776.56 = 315,625.04/x
  3. Step 3: Cross multiply
    573,737.36x = 791,776.56 × 315,625.04
  4. Step 4: Simplify right side
    573,737.36x = 249,904,508,421.06
  5. Step 5: Solve for x
    x = 249,904,508,421.06/573,737.36
  6. Step 6: Final answer
    x = 435,573.01

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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.