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Finding the Fourth Proportional to 500,574.99, 750,854.53 and 121,498.86

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Solution

The fourth proportional to 500,574.99, 750,854.53 and 121,498.86 is: 182,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,574.99 : 750,854.53 = 121,498.86 : x
  2. Step 2: Convert to fraction form
    500,574.99/750,854.53 = 121,498.86/x
  3. Step 3: Cross multiply
    500,574.99x = 750,854.53 × 121,498.86
  4. Step 4: Simplify right side
    500,574.99x = 91,227,969,420.84
  5. Step 5: Solve for x
    x = 91,227,969,420.84/500,574.99
  6. Step 6: Final answer
    x = 182,246.36

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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.