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Finding the Fourth Proportional to 834,357.37, 1,249,494.81 and 753,487

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Solution

The fourth proportional to 834,357.37, 1,249,494.81 and 753,487 is: 1,128,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,357.37 : 1,249,494.81 = 753,487 : x
  2. Step 2: Convert to fraction form
    834,357.37/1,249,494.81 = 753,487/x
  3. Step 3: Cross multiply
    834,357.37x = 1,249,494.81 × 753,487
  4. Step 4: Simplify right side
    834,357.37x = 941,478,095,902.47
  5. Step 5: Solve for x
    x = 941,478,095,902.47/834,357.37
  6. Step 6: Final answer
    x = 1,128,387.10

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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.