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Finding the Fourth Proportional to 651,578.31, 898,644.93 and 458,624.77

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Solution

The fourth proportional to 651,578.31, 898,644.93 and 458,624.77 is: 632,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,578.31 : 898,644.93 = 458,624.77 : x
  2. Step 2: Convert to fraction form
    651,578.31/898,644.93 = 458,624.77/x
  3. Step 3: Cross multiply
    651,578.31x = 898,644.93 × 458,624.77
  4. Step 4: Simplify right side
    651,578.31x = 412,140,826,737.38
  5. Step 5: Solve for x
    x = 412,140,826,737.38/651,578.31
  6. Step 6: Final answer
    x = 632,526.92

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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.