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Finding the Fourth Proportional to 570,252.14, 786,860.29 and 328,487.49

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Solution

The fourth proportional to 570,252.14, 786,860.29 and 328,487.49 is: 453,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,252.14 : 786,860.29 = 328,487.49 : x
  2. Step 2: Convert to fraction form
    570,252.14/786,860.29 = 328,487.49/x
  3. Step 3: Cross multiply
    570,252.14x = 786,860.29 × 328,487.49
  4. Step 4: Simplify right side
    570,252.14x = 258,473,761,642.77
  5. Step 5: Solve for x
    x = 258,473,761,642.77/570,252.14
  6. Step 6: Final answer
    x = 453,262.24

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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.