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Finding the Fourth Proportional to 526,726.38, 726,196.10 and 335,670.06

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Solution

The fourth proportional to 526,726.38, 726,196.10 and 335,670.06 is: 462,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,726.38 : 726,196.10 = 335,670.06 : x
  2. Step 2: Convert to fraction form
    526,726.38/726,196.10 = 335,670.06/x
  3. Step 3: Cross multiply
    526,726.38x = 726,196.10 × 335,670.06
  4. Step 4: Simplify right side
    526,726.38x = 243,762,288,458.77
  5. Step 5: Solve for x
    x = 243,762,288,458.77/526,726.38
  6. Step 6: Final answer
    x = 462,787.32

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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.