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Finding the Fourth Proportional to 366,924.30, 550,386.45 and 130,290.90

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Solution

The fourth proportional to 366,924.30, 550,386.45 and 130,290.90 is: 195,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,924.30 : 550,386.45 = 130,290.90 : x
  2. Step 2: Convert to fraction form
    366,924.30/550,386.45 = 130,290.90/x
  3. Step 3: Cross multiply
    366,924.30x = 550,386.45 × 130,290.90
  4. Step 4: Simplify right side
    366,924.30x = 71,710,345,918.31
  5. Step 5: Solve for x
    x = 71,710,345,918.31/366,924.30
  6. Step 6: Final answer
    x = 195,436.35

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Similar ratio
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1.5x scale

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.