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Finding the Fourth Proportional to 524,265.78, 786,400.53 and 159,530.91

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Solution

The fourth proportional to 524,265.78, 786,400.53 and 159,530.91 is: 239,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,265.78 : 786,400.53 = 159,530.91 : x
  2. Step 2: Convert to fraction form
    524,265.78/786,400.53 = 159,530.91/x
  3. Step 3: Cross multiply
    524,265.78x = 786,400.53 × 159,530.91
  4. Step 4: Simplify right side
    524,265.78x = 125,455,189,525.50
  5. Step 5: Solve for x
    x = 125,455,189,525.50/524,265.78
  6. Step 6: Final answer
    x = 239,296.92

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1.5x scale

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.