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Finding the Fourth Proportional to 375,838.13, 563,784.88 and 162,812.72

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Solution

The fourth proportional to 375,838.13, 563,784.88 and 162,812.72 is: 244,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,838.13 : 563,784.88 = 162,812.72 : x
  2. Step 2: Convert to fraction form
    375,838.13/563,784.88 = 162,812.72/x
  3. Step 3: Cross multiply
    375,838.13x = 563,784.88 × 162,812.72
  4. Step 4: Simplify right side
    375,838.13x = 91,791,349,807.67
  5. Step 5: Solve for x
    x = 91,791,349,807.67/375,838.13
  6. Step 6: Final answer
    x = 244,231.07

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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.