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Finding the Fourth Proportional to 963,166.64, 1,328,800 and 549,726.38

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Solution

The fourth proportional to 963,166.64, 1,328,800 and 549,726.38 is: 758,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,166.64 : 1,328,800 = 549,726.38 : x
  2. Step 2: Convert to fraction form
    963,166.64/1,328,800 = 549,726.38/x
  3. Step 3: Cross multiply
    963,166.64x = 1,328,800 × 549,726.38
  4. Step 4: Simplify right side
    963,166.64x = 730,476,413,744
  5. Step 5: Solve for x
    x = 730,476,413,744/963,166.64
  6. Step 6: Final answer
    x = 758,411.25

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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.