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Finding the Fourth Proportional to 539,828.64, 744,264.72 and 369,758.88

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Solution

The fourth proportional to 539,828.64, 744,264.72 and 369,758.88 is: 509,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,828.64 : 744,264.72 = 369,758.88 : x
  2. Step 2: Convert to fraction form
    539,828.64/744,264.72 = 369,758.88/x
  3. Step 3: Cross multiply
    539,828.64x = 744,264.72 × 369,758.88
  4. Step 4: Simplify right side
    539,828.64x = 275,198,489,290.71
  5. Step 5: Solve for x
    x = 275,198,489,290.71/539,828.64
  6. Step 6: Final answer
    x = 509,788.60

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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.