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Finding the Fourth Proportional to 560,752.87, 773,828.97 and 319,030.24

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Solution

The fourth proportional to 560,752.87, 773,828.97 and 319,030.24 is: 440,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,752.87 : 773,828.97 = 319,030.24 : x
  2. Step 2: Convert to fraction form
    560,752.87/773,828.97 = 319,030.24/x
  3. Step 3: Cross multiply
    560,752.87x = 773,828.97 × 319,030.24
  4. Step 4: Simplify right side
    560,752.87x = 246,874,842,018.05
  5. Step 5: Solve for x
    x = 246,874,842,018.05/560,752.87
  6. Step 6: Final answer
    x = 440,256.05

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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.