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Finding the Fourth Proportional to 369,779.11, 554,751.63 and 117,074.71

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Solution

The fourth proportional to 369,779.11, 554,751.63 and 117,074.71 is: 175,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,779.11 : 554,751.63 = 117,074.71 : x
  2. Step 2: Convert to fraction form
    369,779.11/554,751.63 = 117,074.71/x
  3. Step 3: Cross multiply
    369,779.11x = 554,751.63 × 117,074.71
  4. Step 4: Simplify right side
    369,779.11x = 64,947,386,204.28
  5. Step 5: Solve for x
    x = 64,947,386,204.28/369,779.11
  6. Step 6: Final answer
    x = 175,638.33

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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.