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Finding the Fourth Proportional to 504,354.62, 756,384.30 and 415,387.46

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Solution

The fourth proportional to 504,354.62, 756,384.30 and 415,387.46 is: 622,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,354.62 : 756,384.30 = 415,387.46 : x
  2. Step 2: Convert to fraction form
    504,354.62/756,384.30 = 415,387.46/x
  3. Step 3: Cross multiply
    504,354.62x = 756,384.30 × 415,387.46
  4. Step 4: Simplify right side
    504,354.62x = 314,192,549,378.96
  5. Step 5: Solve for x
    x = 314,192,549,378.96/504,354.62
  6. Step 6: Final answer
    x = 622,959.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.