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Finding the Fourth Proportional to 508,174.46, 701,275.98 and 278,727.06

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Solution

The fourth proportional to 508,174.46, 701,275.98 and 278,727.06 is: 384,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,174.46 : 701,275.98 = 278,727.06 : x
  2. Step 2: Convert to fraction form
    508,174.46/701,275.98 = 278,727.06/x
  3. Step 3: Cross multiply
    508,174.46x = 701,275.98 × 278,727.06
  4. Step 4: Simplify right side
    508,174.46x = 195,464,592,154.02
  5. Step 5: Solve for x
    x = 195,464,592,154.02/508,174.46
  6. Step 6: Final answer
    x = 384,640.72

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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.