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Finding the Fourth Proportional to 834,356.37, 1,249,493.32 and 753,486

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Solution

The fourth proportional to 834,356.37, 1,249,493.32 and 753,486 is: 1,128,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,356.37 : 1,249,493.32 = 753,486 : x
  2. Step 2: Convert to fraction form
    834,356.37/1,249,493.32 = 753,486/x
  3. Step 3: Cross multiply
    834,356.37x = 1,249,493.32 × 753,486
  4. Step 4: Simplify right side
    834,356.37x = 941,475,720,417.02
  5. Step 5: Solve for x
    x = 941,475,720,417.02/834,356.37
  6. Step 6: Final answer
    x = 1,128,385.61

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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.