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Finding the Fourth Proportional to 542,152.66, 748,784.10 and 369,776.56

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Solution

The fourth proportional to 542,152.66, 748,784.10 and 369,776.56 is: 510,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,152.66 : 748,784.10 = 369,776.56 : x
  2. Step 2: Convert to fraction form
    542,152.66/748,784.10 = 369,776.56/x
  3. Step 3: Cross multiply
    542,152.66x = 748,784.10 × 369,776.56
  4. Step 4: Simplify right side
    542,152.66x = 276,882,808,680.70
  5. Step 5: Solve for x
    x = 276,882,808,680.70/542,152.66
  6. Step 6: Final answer
    x = 510,710.04

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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.