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Finding the Fourth Proportional to 414,318.33, 571,803.21 and 253,267.65

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Solution

The fourth proportional to 414,318.33, 571,803.21 and 253,267.65 is: 349,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,318.33 : 571,803.21 = 253,267.65 : x
  2. Step 2: Convert to fraction form
    414,318.33/571,803.21 = 253,267.65/x
  3. Step 3: Cross multiply
    414,318.33x = 571,803.21 × 253,267.65
  4. Step 4: Simplify right side
    414,318.33x = 144,819,255,259.16
  5. Step 5: Solve for x
    x = 144,819,255,259.16/414,318.33
  6. Step 6: Final answer
    x = 349,536.20

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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.