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Finding the Fourth Proportional to 560,159.90, 772,882.37 and 330,722.54

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Solution

The fourth proportional to 560,159.90, 772,882.37 and 330,722.54 is: 456,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,159.90 : 772,882.37 = 330,722.54 : x
  2. Step 2: Convert to fraction form
    560,159.90/772,882.37 = 330,722.54/x
  3. Step 3: Cross multiply
    560,159.90x = 772,882.37 × 330,722.54
  4. Step 4: Simplify right side
    560,159.90x = 255,609,620,527.62
  5. Step 5: Solve for x
    x = 255,609,620,527.62/560,159.90
  6. Step 6: Final answer
    x = 456,315.46

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1.5x scale

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.