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Finding the Fourth Proportional to 540,096.75, 745,333.52 and 313,756.83

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Solution

The fourth proportional to 540,096.75, 745,333.52 and 313,756.83 is: 432,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,096.75 : 745,333.52 = 313,756.83 : x
  2. Step 2: Convert to fraction form
    540,096.75/745,333.52 = 313,756.83/x
  3. Step 3: Cross multiply
    540,096.75x = 745,333.52 × 313,756.83
  4. Step 4: Simplify right side
    540,096.75x = 233,853,480,959.16
  5. Step 5: Solve for x
    x = 233,853,480,959.16/540,096.75
  6. Step 6: Final answer
    x = 432,984.43

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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.