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Finding the Fourth Proportional to 637,510.77, 956,235.42 and 157,736.61

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Solution

The fourth proportional to 637,510.77, 956,235.42 and 157,736.61 is: 236,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,510.77 : 956,235.42 = 157,736.61 : x
  2. Step 2: Convert to fraction form
    637,510.77/956,235.42 = 157,736.61/x
  3. Step 3: Cross multiply
    637,510.77x = 956,235.42 × 157,736.61
  4. Step 4: Simplify right side
    637,510.77x = 150,833,333,512.73
  5. Step 5: Solve for x
    x = 150,833,333,512.73/637,510.77
  6. Step 6: Final answer
    x = 236,597.31

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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.