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Finding the Fourth Proportional to 375,510.80, 563,256.36 and 126,192.72

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Solution

The fourth proportional to 375,510.80, 563,256.36 and 126,192.72 is: 189,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,510.80 : 563,256.36 = 126,192.72 : x
  2. Step 2: Convert to fraction form
    375,510.80/563,256.36 = 126,192.72/x
  3. Step 3: Cross multiply
    375,510.80x = 563,256.36 × 126,192.72
  4. Step 4: Simplify right side
    375,510.80x = 71,078,852,125.70
  5. Step 5: Solve for x
    x = 71,078,852,125.70/375,510.80
  6. Step 6: Final answer
    x = 189,285.77

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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.