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Finding the Fourth Proportional to 524,468.80, 786,707.52 and 150,503.68

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Solution

The fourth proportional to 524,468.80, 786,707.52 and 150,503.68 is: 225,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,468.80 : 786,707.52 = 150,503.68 : x
  2. Step 2: Convert to fraction form
    524,468.80/786,707.52 = 150,503.68/x
  3. Step 3: Cross multiply
    524,468.80x = 786,707.52 × 150,503.68
  4. Step 4: Simplify right side
    524,468.80x = 118,402,376,843.67
  5. Step 5: Solve for x
    x = 118,402,376,843.67/524,468.80
  6. Step 6: Final answer
    x = 225,756.76

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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.