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Finding the Fourth Proportional to 540,040.41, 745,346.75 and 313,817.13

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Solution

The fourth proportional to 540,040.41, 745,346.75 and 313,817.13 is: 433,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,040.41 : 745,346.75 = 313,817.13 : x
  2. Step 2: Convert to fraction form
    540,040.41/745,346.75 = 313,817.13/x
  3. Step 3: Cross multiply
    540,040.41x = 745,346.75 × 313,817.13
  4. Step 4: Simplify right side
    540,040.41x = 233,902,576,370.74
  5. Step 5: Solve for x
    x = 233,902,576,370.74/540,040.41
  6. Step 6: Final answer
    x = 433,120.51

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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.