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Finding the Fourth Proportional to 370,752.90, 511,828.65 and 234,927.78

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Solution

The fourth proportional to 370,752.90, 511,828.65 and 234,927.78 is: 324,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,752.90 : 511,828.65 = 234,927.78 : x
  2. Step 2: Convert to fraction form
    370,752.90/511,828.65 = 234,927.78/x
  3. Step 3: Cross multiply
    370,752.90x = 511,828.65 × 234,927.78
  4. Step 4: Simplify right side
    370,752.90x = 120,242,768,484.90
  5. Step 5: Solve for x
    x = 120,242,768,484.90/370,752.90
  6. Step 6: Final answer
    x = 324,320.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.