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Finding the Fourth Proportional to 616,984.40, 924,164.40 and 512,008.40

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Solution

The fourth proportional to 616,984.40, 924,164.40 and 512,008.40 is: 766,923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,984.40 : 924,164.40 = 512,008.40 : x
  2. Step 2: Convert to fraction form
    616,984.40/924,164.40 = 512,008.40/x
  3. Step 3: Cross multiply
    616,984.40x = 924,164.40 × 512,008.40
  4. Step 4: Simplify right side
    616,984.40x = 473,179,935,780.96
  5. Step 5: Solve for x
    x = 473,179,935,780.96/616,984.40
  6. Step 6: Final answer
    x = 766,923.66

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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.