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Finding the Fourth Proportional to 543,252.32, 749,651.86 and 328,510.79

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Solution

The fourth proportional to 543,252.32, 749,651.86 and 328,510.79 is: 453,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,252.32 : 749,651.86 = 328,510.79 : x
  2. Step 2: Convert to fraction form
    543,252.32/749,651.86 = 328,510.79/x
  3. Step 3: Cross multiply
    543,252.32x = 749,651.86 × 328,510.79
  4. Step 4: Simplify right side
    543,252.32x = 246,268,724,753.57
  5. Step 5: Solve for x
    x = 246,268,724,753.57/543,252.32
  6. Step 6: Final answer
    x = 453,322.91

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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.