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Finding the Fourth Proportional to 358,291.71, 537,508.04 and 118,395.93

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Solution

The fourth proportional to 358,291.71, 537,508.04 and 118,395.93 is: 177,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,291.71 : 537,508.04 = 118,395.93 : x
  2. Step 2: Convert to fraction form
    358,291.71/537,508.04 = 118,395.93/x
  3. Step 3: Cross multiply
    358,291.71x = 537,508.04 × 118,395.93
  4. Step 4: Simplify right side
    358,291.71x = 63,638,765,701.95
  5. Step 5: Solve for x
    x = 63,638,765,701.95/358,291.71
  6. Step 6: Final answer
    x = 177,617.19

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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.