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Finding the Fourth Proportional to 551,407.90, 773,545.70 and 551,407.90

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Solution

The fourth proportional to 551,407.90, 773,545.70 and 551,407.90 is: 773,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,407.90 : 773,545.70 = 551,407.90 : x
  2. Step 2: Convert to fraction form
    551,407.90/773,545.70 = 551,407.90/x
  3. Step 3: Cross multiply
    551,407.90x = 773,545.70 × 551,407.90
  4. Step 4: Simplify right side
    551,407.90x = 426,539,209,991.03
  5. Step 5: Solve for x
    x = 426,539,209,991.03/551,407.90
  6. Step 6: Final answer
    x = 773,545.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.