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Finding the Fourth Proportional to 566,036, 780,491.92 and 436,680.08

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Solution

The fourth proportional to 566,036, 780,491.92 and 436,680.08 is: 602,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,036 : 780,491.92 = 436,680.08 : x
  2. Step 2: Convert to fraction form
    566,036/780,491.92 = 436,680.08/x
  3. Step 3: Cross multiply
    566,036x = 780,491.92 × 436,680.08
  4. Step 4: Simplify right side
    566,036x = 340,825,274,064.95
  5. Step 5: Solve for x
    x = 340,825,274,064.95/566,036
  6. Step 6: Final answer
    x = 602,126.50

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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.