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Finding the Fourth Proportional to 968,840.84, 1,451,160.78 and 469,157

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Solution

The fourth proportional to 968,840.84, 1,451,160.78 and 469,157 is: 702,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,840.84 : 1,451,160.78 = 469,157 : x
  2. Step 2: Convert to fraction form
    968,840.84/1,451,160.78 = 469,157/x
  3. Step 3: Cross multiply
    968,840.84x = 1,451,160.78 × 469,157
  4. Step 4: Simplify right side
    968,840.84x = 680,822,238,062.46
  5. Step 5: Solve for x
    x = 680,822,238,062.46/968,840.84
  6. Step 6: Final answer
    x = 702,718.35

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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.