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Finding the Fourth Proportional to 650,174.16, 896,761.08 and 469,482.60

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Solution

The fourth proportional to 650,174.16, 896,761.08 and 469,482.60 is: 647,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,174.16 : 896,761.08 = 469,482.60 : x
  2. Step 2: Convert to fraction form
    650,174.16/896,761.08 = 469,482.60/x
  3. Step 3: Cross multiply
    650,174.16x = 896,761.08 × 469,482.60
  4. Step 4: Simplify right side
    650,174.16x = 421,013,723,417.21
  5. Step 5: Solve for x
    x = 421,013,723,417.21/650,174.16
  6. Step 6: Final answer
    x = 647,539.92

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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.