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Finding the Fourth Proportional to 372,557.47, 514,051.50 and 243,684.85

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Solution

The fourth proportional to 372,557.47, 514,051.50 and 243,684.85 is: 336,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,557.47 : 514,051.50 = 243,684.85 : x
  2. Step 2: Convert to fraction form
    372,557.47/514,051.50 = 243,684.85/x
  3. Step 3: Cross multiply
    372,557.47x = 514,051.50 × 243,684.85
  4. Step 4: Simplify right side
    372,557.47x = 125,266,562,669.78
  5. Step 5: Solve for x
    x = 125,266,562,669.78/372,557.47
  6. Step 6: Final answer
    x = 336,234.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.