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Finding the Fourth Proportional to 531,541.87, 797,686.43 and 480,722.84

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Solution

The fourth proportional to 531,541.87, 797,686.43 and 480,722.84 is: 721,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,541.87 : 797,686.43 = 480,722.84 : x
  2. Step 2: Convert to fraction form
    531,541.87/797,686.43 = 480,722.84/x
  3. Step 3: Cross multiply
    531,541.87x = 797,686.43 × 480,722.84
  4. Step 4: Simplify right side
    531,541.87x = 383,466,086,059.06
  5. Step 5: Solve for x
    x = 383,466,086,059.06/531,541.87
  6. Step 6: Final answer
    x = 721,422.16

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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.