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Finding the Fourth Proportional to 493,698.13, 740,547.20 and 119,721.13

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Solution

The fourth proportional to 493,698.13, 740,547.20 and 119,721.13 is: 179,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,698.13 : 740,547.20 = 119,721.13 : x
  2. Step 2: Convert to fraction form
    493,698.13/740,547.20 = 119,721.13/x
  3. Step 3: Cross multiply
    493,698.13x = 740,547.20 × 119,721.13
  4. Step 4: Simplify right side
    493,698.13x = 88,659,147,602.34
  5. Step 5: Solve for x
    x = 88,659,147,602.34/493,698.13
  6. Step 6: Final answer
    x = 179,581.70

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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.