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Finding the Fourth Proportional to 316,575.32, 474,869.06 and 116,792.88

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Solution

The fourth proportional to 316,575.32, 474,869.06 and 116,792.88 is: 175,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,575.32 : 474,869.06 = 116,792.88 : x
  2. Step 2: Convert to fraction form
    316,575.32/474,869.06 = 116,792.88/x
  3. Step 3: Cross multiply
    316,575.32x = 474,869.06 × 116,792.88
  4. Step 4: Simplify right side
    316,575.32x = 55,461,325,140.29
  5. Step 5: Solve for x
    x = 55,461,325,140.29/316,575.32
  6. Step 6: Final answer
    x = 175,191.56

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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.