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Finding the Fourth Proportional to 540,119.10, 745,574.31 and 483,432.06

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Solution

The fourth proportional to 540,119.10, 745,574.31 and 483,432.06 is: 667,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,119.10 : 745,574.31 = 483,432.06 : x
  2. Step 2: Convert to fraction form
    540,119.10/745,574.31 = 483,432.06/x
  3. Step 3: Cross multiply
    540,119.10x = 745,574.31 × 483,432.06
  4. Step 4: Simplify right side
    540,119.10x = 360,434,524,566.38
  5. Step 5: Solve for x
    x = 360,434,524,566.38/540,119.10
  6. Step 6: Final answer
    x = 667,324.16

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Double scale
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Similar ratio
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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.