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Finding the Fourth Proportional to 514,165.95, 772,431.35 and 362,711.61

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Solution

The fourth proportional to 514,165.95, 772,431.35 and 362,711.61 is: 544,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,165.95 : 772,431.35 = 362,711.61 : x
  2. Step 2: Convert to fraction form
    514,165.95/772,431.35 = 362,711.61/x
  3. Step 3: Cross multiply
    514,165.95x = 772,431.35 × 362,711.61
  4. Step 4: Simplify right side
    514,165.95x = 280,169,816,759.42
  5. Step 5: Solve for x
    x = 280,169,816,759.42/514,165.95
  6. Step 6: Final answer
    x = 544,901.54

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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.