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Finding the Fourth Proportional to 585,079.20, 876,306.60 and 585,079.20

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Solution

The fourth proportional to 585,079.20, 876,306.60 and 585,079.20 is: 876,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,079.20 : 876,306.60 = 585,079.20 : x
  2. Step 2: Convert to fraction form
    585,079.20/876,306.60 = 585,079.20/x
  3. Step 3: Cross multiply
    585,079.20x = 876,306.60 × 585,079.20
  4. Step 4: Simplify right side
    585,079.20x = 512,708,764,482.72
  5. Step 5: Solve for x
    x = 512,708,764,482.72/585,079.20
  6. Step 6: Final answer
    x = 876,306.60

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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.