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Finding the Fourth Proportional to 583,013.79, 872,545.47 and 358,516.42

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Solution

The fourth proportional to 583,013.79, 872,545.47 and 358,516.42 is: 536,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,013.79 : 872,545.47 = 358,516.42 : x
  2. Step 2: Convert to fraction form
    583,013.79/872,545.47 = 358,516.42/x
  3. Step 3: Cross multiply
    583,013.79x = 872,545.47 × 358,516.42
  4. Step 4: Simplify right side
    583,013.79x = 312,821,878,191.62
  5. Step 5: Solve for x
    x = 312,821,878,191.62/583,013.79
  6. Step 6: Final answer
    x = 536,560.00

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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.