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Finding the Fourth Proportional to 570,686.60, 787,368.33 and 328,935.62

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Solution

The fourth proportional to 570,686.60, 787,368.33 and 328,935.62 is: 453,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,686.60 : 787,368.33 = 328,935.62 : x
  2. Step 2: Convert to fraction form
    570,686.60/787,368.33 = 328,935.62/x
  3. Step 3: Cross multiply
    570,686.60x = 787,368.33 × 328,935.62
  4. Step 4: Simplify right side
    570,686.60x = 258,993,491,765.34
  5. Step 5: Solve for x
    x = 258,993,491,765.34/570,686.60
  6. Step 6: Final answer
    x = 453,827.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.