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Finding the Fourth Proportional to 834,951.66, 1,152,235.47 and 452,978.44

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Solution

The fourth proportional to 834,951.66, 1,152,235.47 and 452,978.44 is: 625,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,951.66 : 1,152,235.47 = 452,978.44 : x
  2. Step 2: Convert to fraction form
    834,951.66/1,152,235.47 = 452,978.44/x
  3. Step 3: Cross multiply
    834,951.66x = 1,152,235.47 × 452,978.44
  4. Step 4: Simplify right side
    834,951.66x = 521,937,825,713.27
  5. Step 5: Solve for x
    x = 521,937,825,713.27/834,951.66
  6. Step 6: Final answer
    x = 625,111.43

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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.