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Finding the Fourth Proportional to 615,531.88, 923,417.50 and 236,424.76

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Solution

The fourth proportional to 615,531.88, 923,417.50 and 236,424.76 is: 354,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,531.88 : 923,417.50 = 236,424.76 : x
  2. Step 2: Convert to fraction form
    615,531.88/923,417.50 = 236,424.76/x
  3. Step 3: Cross multiply
    615,531.88x = 923,417.50 × 236,424.76
  4. Step 4: Simplify right side
    615,531.88x = 218,318,760,817.30
  5. Step 5: Solve for x
    x = 218,318,760,817.30/615,531.88
  6. Step 6: Final answer
    x = 354,683.11

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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.