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Finding the Fourth Proportional to 615,659.04, 924,056.24 and 312,266.12

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Solution

The fourth proportional to 615,659.04, 924,056.24 and 312,266.12 is: 468,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,659.04 : 924,056.24 = 312,266.12 : x
  2. Step 2: Convert to fraction form
    615,659.04/924,056.24 = 312,266.12/x
  3. Step 3: Cross multiply
    615,659.04x = 924,056.24 × 312,266.12
  4. Step 4: Simplify right side
    615,659.04x = 288,551,456,726.59
  5. Step 5: Solve for x
    x = 288,551,456,726.59/615,659.04
  6. Step 6: Final answer
    x = 468,687.11

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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.