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Finding the Fourth Proportional to 582,018.75, 803,064.92 and 340,253.91

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Solution

The fourth proportional to 582,018.75, 803,064.92 and 340,253.91 is: 469,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,018.75 : 803,064.92 = 340,253.91 : x
  2. Step 2: Convert to fraction form
    582,018.75/803,064.92 = 340,253.91/x
  3. Step 3: Cross multiply
    582,018.75x = 803,064.92 × 340,253.91
  4. Step 4: Simplify right side
    582,018.75x = 273,245,977,312.57
  5. Step 5: Solve for x
    x = 273,245,977,312.57/582,018.75
  6. Step 6: Final answer
    x = 469,479.68

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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.