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Finding the Fourth Proportional to 375,471.55, 563,038.98 and 223,740.19

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Solution

The fourth proportional to 375,471.55, 563,038.98 and 223,740.19 is: 335,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,471.55 : 563,038.98 = 223,740.19 : x
  2. Step 2: Convert to fraction form
    375,471.55/563,038.98 = 223,740.19/x
  3. Step 3: Cross multiply
    375,471.55x = 563,038.98 × 223,740.19
  4. Step 4: Simplify right side
    375,471.55x = 125,974,448,362.61
  5. Step 5: Solve for x
    x = 125,974,448,362.61/375,471.55
  6. Step 6: Final answer
    x = 335,509.97

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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.