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Finding the Fourth Proportional to 334,920.32, 502,449.92 and 98,270.72

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Solution

The fourth proportional to 334,920.32, 502,449.92 and 98,270.72 is: 147,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,920.32 : 502,449.92 = 98,270.72 : x
  2. Step 2: Convert to fraction form
    334,920.32/502,449.92 = 98,270.72/x
  3. Step 3: Cross multiply
    334,920.32x = 502,449.92 × 98,270.72
  4. Step 4: Simplify right side
    334,920.32x = 49,376,115,402.34
  5. Step 5: Solve for x
    x = 49,376,115,402.34/334,920.32
  6. Step 6: Final answer
    x = 147,426.45

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1.5x scale

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.