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Finding the Fourth Proportional to 540,341.71, 745,672.46 and 298,624.22

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Solution

The fourth proportional to 540,341.71, 745,672.46 and 298,624.22 is: 412,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,341.71 : 745,672.46 = 298,624.22 : x
  2. Step 2: Convert to fraction form
    540,341.71/745,672.46 = 298,624.22/x
  3. Step 3: Cross multiply
    540,341.71x = 745,672.46 × 298,624.22
  4. Step 4: Simplify right side
    540,341.71x = 222,675,855,157.64
  5. Step 5: Solve for x
    x = 222,675,855,157.64/540,341.71
  6. Step 6: Final answer
    x = 412,101.92

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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.