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Finding the Fourth Proportional to 375,342.30, 563,017.10 and 300,275.96

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Solution

The fourth proportional to 375,342.30, 563,017.10 and 300,275.96 is: 450,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,342.30 : 563,017.10 = 300,275.96 : x
  2. Step 2: Convert to fraction form
    375,342.30/563,017.10 = 300,275.96/x
  3. Step 3: Cross multiply
    375,342.30x = 563,017.10 × 300,275.96
  4. Step 4: Simplify right side
    375,342.30x = 169,060,495,882.45
  5. Step 5: Solve for x
    x = 169,060,495,882.45/375,342.30
  6. Step 6: Final answer
    x = 450,416.85

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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.