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Finding the Fourth Proportional to 551,502.20, 827,253.30 and 362,545.40

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Solution

The fourth proportional to 551,502.20, 827,253.30 and 362,545.40 is: 543,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,502.20 : 827,253.30 = 362,545.40 : x
  2. Step 2: Convert to fraction form
    551,502.20/827,253.30 = 362,545.40/x
  3. Step 3: Cross multiply
    551,502.20x = 827,253.30 × 362,545.40
  4. Step 4: Simplify right side
    551,502.20x = 299,916,878,549.82
  5. Step 5: Solve for x
    x = 299,916,878,549.82/551,502.20
  6. Step 6: Final answer
    x = 543,818.10

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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.