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Finding the Fourth Proportional to 483,397.32, 667,168.20 and 402,697.02

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Solution

The fourth proportional to 483,397.32, 667,168.20 and 402,697.02 is: 555,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,397.32 : 667,168.20 = 402,697.02 : x
  2. Step 2: Convert to fraction form
    483,397.32/667,168.20 = 402,697.02/x
  3. Step 3: Cross multiply
    483,397.32x = 667,168.20 × 402,697.02
  4. Step 4: Simplify right side
    483,397.32x = 268,666,645,978.76
  5. Step 5: Solve for x
    x = 268,666,645,978.76/483,397.32
  6. Step 6: Final answer
    x = 555,788.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.