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Finding the Fourth Proportional to 633,502.38, 874,235.80 and 347,024.46

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Solution

The fourth proportional to 633,502.38, 874,235.80 and 347,024.46 is: 478,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,502.38 : 874,235.80 = 347,024.46 : x
  2. Step 2: Convert to fraction form
    633,502.38/874,235.80 = 347,024.46/x
  3. Step 3: Cross multiply
    633,502.38x = 874,235.80 × 347,024.46
  4. Step 4: Simplify right side
    633,502.38x = 303,381,206,407.67
  5. Step 5: Solve for x
    x = 303,381,206,407.67/633,502.38
  6. Step 6: Final answer
    x = 478,895.13

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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.