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Finding the Fourth Proportional to 865,975.68, 1,195,025.79 and 484,038

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Solution

The fourth proportional to 865,975.68, 1,195,025.79 and 484,038 is: 667,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,975.68 : 1,195,025.79 = 484,038 : x
  2. Step 2: Convert to fraction form
    865,975.68/1,195,025.79 = 484,038/x
  3. Step 3: Cross multiply
    865,975.68x = 1,195,025.79 × 484,038
  4. Step 4: Simplify right side
    865,975.68x = 578,437,893,340.02
  5. Step 5: Solve for x
    x = 578,437,893,340.02/865,975.68
  6. Step 6: Final answer
    x = 667,960.90

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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.