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Finding the Fourth Proportional to 617,498.88, 926,248.32 and 174,266.88

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Solution

The fourth proportional to 617,498.88, 926,248.32 and 174,266.88 is: 261,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,498.88 : 926,248.32 = 174,266.88 : x
  2. Step 2: Convert to fraction form
    617,498.88/926,248.32 = 174,266.88/x
  3. Step 3: Cross multiply
    617,498.88x = 926,248.32 × 174,266.88
  4. Step 4: Simplify right side
    617,498.88x = 161,414,404,831.64
  5. Step 5: Solve for x
    x = 161,414,404,831.64/617,498.88
  6. Step 6: Final answer
    x = 261,400.32

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Double scale
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Similar ratio
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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.