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Finding the Fourth Proportional to 375,182.89, 563,077.77 and 290,742.82

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Solution

The fourth proportional to 375,182.89, 563,077.77 and 290,742.82 is: 436,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,182.89 : 563,077.77 = 290,742.82 : x
  2. Step 2: Convert to fraction form
    375,182.89/563,077.77 = 290,742.82/x
  3. Step 3: Cross multiply
    375,182.89x = 563,077.77 × 290,742.82
  4. Step 4: Simplify right side
    375,182.89x = 163,710,818,729.11
  5. Step 5: Solve for x
    x = 163,710,818,729.11/375,182.89
  6. Step 6: Final answer
    x = 436,349.37

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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.