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Finding the Fourth Proportional to 479,712.16, 662,005.05 and 261,925.24

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Solution

The fourth proportional to 479,712.16, 662,005.05 and 261,925.24 is: 361,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,712.16 : 662,005.05 = 261,925.24 : x
  2. Step 2: Convert to fraction form
    479,712.16/662,005.05 = 261,925.24/x
  3. Step 3: Cross multiply
    479,712.16x = 662,005.05 × 261,925.24
  4. Step 4: Simplify right side
    479,712.16x = 173,395,833,308.97
  5. Step 5: Solve for x
    x = 173,395,833,308.97/479,712.16
  6. Step 6: Final answer
    x = 361,458.08

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1.5x scale

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.