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Finding the Fourth Proportional to 375,521.36, 563,411.64 and 235,112.72

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Solution

The fourth proportional to 375,521.36, 563,411.64 and 235,112.72 is: 352,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,521.36 : 563,411.64 = 235,112.72 : x
  2. Step 2: Convert to fraction form
    375,521.36/563,411.64 = 235,112.72/x
  3. Step 3: Cross multiply
    375,521.36x = 563,411.64 × 235,112.72
  4. Step 4: Simplify right side
    375,521.36x = 132,465,243,160.06
  5. Step 5: Solve for x
    x = 132,465,243,160.06/375,521.36
  6. Step 6: Final answer
    x = 352,750.22

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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.