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Finding the Fourth Proportional to 295,234.40, 442,894.80 and 155,003.60

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Solution

The fourth proportional to 295,234.40, 442,894.80 and 155,003.60 is: 232,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,234.40 : 442,894.80 = 155,003.60 : x
  2. Step 2: Convert to fraction form
    295,234.40/442,894.80 = 155,003.60/x
  3. Step 3: Cross multiply
    295,234.40x = 442,894.80 × 155,003.60
  4. Step 4: Simplify right side
    295,234.40x = 68,650,288,421.28
  5. Step 5: Solve for x
    x = 68,650,288,421.28/295,234.40
  6. Step 6: Final answer
    x = 232,528.08

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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.