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Finding the Fourth Proportional to 292,522.20, 438,783.30 and 181,930.20

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Solution

The fourth proportional to 292,522.20, 438,783.30 and 181,930.20 is: 272,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,522.20 : 438,783.30 = 181,930.20 : x
  2. Step 2: Convert to fraction form
    292,522.20/438,783.30 = 181,930.20/x
  3. Step 3: Cross multiply
    292,522.20x = 438,783.30 × 181,930.20
  4. Step 4: Simplify right side
    292,522.20x = 79,827,933,525.66
  5. Step 5: Solve for x
    x = 79,827,933,525.66/292,522.20
  6. Step 6: Final answer
    x = 272,895.30

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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.