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Finding the Fourth Proportional to 960,013.60, 1,440,020.40 and 736,064.80

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Solution

The fourth proportional to 960,013.60, 1,440,020.40 and 736,064.80 is: 1,104,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,013.60 : 1,440,020.40 = 736,064.80 : x
  2. Step 2: Convert to fraction form
    960,013.60/1,440,020.40 = 736,064.80/x
  3. Step 3: Cross multiply
    960,013.60x = 1,440,020.40 × 736,064.80
  4. Step 4: Simplify right side
    960,013.60x = 1,059,948,327,721.92
  5. Step 5: Solve for x
    x = 1,059,948,327,721.92/960,013.60
  6. Step 6: Final answer
    x = 1,104,097.20

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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.