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Finding the Fourth Proportional to 583,013.67, 872,545.28 and 358,516.30

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Solution

The fourth proportional to 583,013.67, 872,545.28 and 358,516.30 is: 536,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,013.67 : 872,545.28 = 358,516.30 : x
  2. Step 2: Convert to fraction form
    583,013.67/872,545.28 = 358,516.30/x
  3. Step 3: Cross multiply
    583,013.67x = 872,545.28 × 358,516.30
  4. Step 4: Simplify right side
    583,013.67x = 312,821,705,368.06
  5. Step 5: Solve for x
    x = 312,821,705,368.06/583,013.67
  6. Step 6: Final answer
    x = 536,559.81

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1.5x scale

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.