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Finding the Fourth Proportional to 586,704.67, 809,585.48 and 328,545.72

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Solution

The fourth proportional to 586,704.67, 809,585.48 and 328,545.72 is: 453,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,704.67 : 809,585.48 = 328,545.72 : x
  2. Step 2: Convert to fraction form
    586,704.67/809,585.48 = 328,545.72/x
  3. Step 3: Cross multiply
    586,704.67x = 809,585.48 × 328,545.72
  4. Step 4: Simplify right side
    586,704.67x = 265,985,845,249.51
  5. Step 5: Solve for x
    x = 265,985,845,249.51/586,704.67
  6. Step 6: Final answer
    x = 453,355.60

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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.