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Finding the Fourth Proportional to 522,101.52, 783,152.95 and 143,025.59

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Solution

The fourth proportional to 522,101.52, 783,152.95 and 143,025.59 is: 214,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,101.52 : 783,152.95 = 143,025.59 : x
  2. Step 2: Convert to fraction form
    522,101.52/783,152.95 = 143,025.59/x
  3. Step 3: Cross multiply
    522,101.52x = 783,152.95 × 143,025.59
  4. Step 4: Simplify right side
    522,101.52x = 112,010,908,818.23
  5. Step 5: Solve for x
    x = 112,010,908,818.23/522,101.52
  6. Step 6: Final answer
    x = 214,538.56

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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.