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Finding the Fourth Proportional to 532,618.60, 798,927.90 and 480,130.60

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Solution

The fourth proportional to 532,618.60, 798,927.90 and 480,130.60 is: 720,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,618.60 : 798,927.90 = 480,130.60 : x
  2. Step 2: Convert to fraction form
    532,618.60/798,927.90 = 480,130.60/x
  3. Step 3: Cross multiply
    532,618.60x = 798,927.90 × 480,130.60
  4. Step 4: Simplify right side
    532,618.60x = 383,589,731,983.74
  5. Step 5: Solve for x
    x = 383,589,731,983.74/532,618.60
  6. Step 6: Final answer
    x = 720,195.90

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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.