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Finding the Fourth Proportional to 369,211.77, 554,973.72 and 243,658.83

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Solution

The fourth proportional to 369,211.77, 554,973.72 and 243,658.83 is: 366,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,211.77 : 554,973.72 = 243,658.83 : x
  2. Step 2: Convert to fraction form
    369,211.77/554,973.72 = 243,658.83/x
  3. Step 3: Cross multiply
    369,211.77x = 554,973.72 × 243,658.83
  4. Step 4: Simplify right side
    369,211.77x = 135,224,247,295.95
  5. Step 5: Solve for x
    x = 135,224,247,295.95/369,211.77
  6. Step 6: Final answer
    x = 366,251.18

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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.