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Finding the Fourth Proportional to 586,886.88, 809,934.24 and 328,748.74

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Solution

The fourth proportional to 586,886.88, 809,934.24 and 328,748.74 is: 453,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,886.88 : 809,934.24 = 328,748.74 : x
  2. Step 2: Convert to fraction form
    586,886.88/809,934.24 = 328,748.74/x
  3. Step 3: Cross multiply
    586,886.88x = 809,934.24 × 328,748.74
  4. Step 4: Simplify right side
    586,886.88x = 266,264,862,797.50
  5. Step 5: Solve for x
    x = 266,264,862,797.50/586,886.88
  6. Step 6: Final answer
    x = 453,690.26

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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.