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Finding the Fourth Proportional to 898,162.61, 1,237,358.99 and 625,737.74

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Solution

The fourth proportional to 898,162.61, 1,237,358.99 and 625,737.74 is: 862,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,162.61 : 1,237,358.99 = 625,737.74 : x
  2. Step 2: Convert to fraction form
    898,162.61/1,237,358.99 = 625,737.74/x
  3. Step 3: Cross multiply
    898,162.61x = 1,237,358.99 × 625,737.74
  4. Step 4: Simplify right side
    898,162.61x = 774,262,214,842.59
  5. Step 5: Solve for x
    x = 774,262,214,842.59/898,162.61
  6. Step 6: Final answer
    x = 862,051.27

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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.