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Finding the Fourth Proportional to 765,543.04, 1,056,636.96 and 593,120

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Solution

The fourth proportional to 765,543.04, 1,056,636.96 and 593,120 is: 818,650.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,543.04 : 1,056,636.96 = 593,120 : x
  2. Step 2: Convert to fraction form
    765,543.04/1,056,636.96 = 593,120/x
  3. Step 3: Cross multiply
    765,543.04x = 1,056,636.96 × 593,120
  4. Step 4: Simplify right side
    765,543.04x = 626,712,513,715.20
  5. Step 5: Solve for x
    x = 626,712,513,715.20/765,543.04
  6. Step 6: Final answer
    x = 818,650.92

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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.