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Finding the Fourth Proportional to 295,236.40, 442,897.80 and 155,005.60

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Solution

The fourth proportional to 295,236.40, 442,897.80 and 155,005.60 is: 232,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,236.40 : 442,897.80 = 155,005.60 : x
  2. Step 2: Convert to fraction form
    295,236.40/442,897.80 = 155,005.60/x
  3. Step 3: Cross multiply
    295,236.40x = 442,897.80 × 155,005.60
  4. Step 4: Simplify right side
    295,236.40x = 68,651,639,227.68
  5. Step 5: Solve for x
    x = 68,651,639,227.68/295,236.40
  6. Step 6: Final answer
    x = 232,531.08

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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.