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Finding the Fourth Proportional to 582,443.60, 803,578.20 and 474,828.08

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Solution

The fourth proportional to 582,443.60, 803,578.20 and 474,828.08 is: 655,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,443.60 : 803,578.20 = 474,828.08 : x
  2. Step 2: Convert to fraction form
    582,443.60/803,578.20 = 474,828.08/x
  3. Step 3: Cross multiply
    582,443.60x = 803,578.20 × 474,828.08
  4. Step 4: Simplify right side
    582,443.60x = 381,561,493,835.86
  5. Step 5: Solve for x
    x = 381,561,493,835.86/582,443.60
  6. Step 6: Final answer
    x = 655,104.62

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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.