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Finding the Fourth Proportional to 408,646.55, 612,963.68 and 183,848.24

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Solution

The fourth proportional to 408,646.55, 612,963.68 and 183,848.24 is: 275,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,646.55 : 612,963.68 = 183,848.24 : x
  2. Step 2: Convert to fraction form
    408,646.55/612,963.68 = 183,848.24/x
  3. Step 3: Cross multiply
    408,646.55x = 612,963.68 × 183,848.24
  4. Step 4: Simplify right side
    408,646.55x = 112,692,294,365.09
  5. Step 5: Solve for x
    x = 112,692,294,365.09/408,646.55
  6. Step 6: Final answer
    x = 275,769.60

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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.