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Finding the Fourth Proportional to 292,030.20, 437,802.30 and 123,679.80

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Solution

The fourth proportional to 292,030.20, 437,802.30 and 123,679.80 is: 185,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,030.20 : 437,802.30 = 123,679.80 : x
  2. Step 2: Convert to fraction form
    292,030.20/437,802.30 = 123,679.80/x
  3. Step 3: Cross multiply
    292,030.20x = 437,802.30 × 123,679.80
  4. Step 4: Simplify right side
    292,030.20x = 54,147,300,903.54
  5. Step 5: Solve for x
    x = 54,147,300,903.54/292,030.20
  6. Step 6: Final answer
    x = 185,416.79

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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.