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Finding the Fourth Proportional to 295,970.40, 444,013.20 and 127,490.40

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Solution

The fourth proportional to 295,970.40, 444,013.20 and 127,490.40 is: 191,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,970.40 : 444,013.20 = 127,490.40 : x
  2. Step 2: Convert to fraction form
    295,970.40/444,013.20 = 127,490.40/x
  3. Step 3: Cross multiply
    295,970.40x = 444,013.20 × 127,490.40
  4. Step 4: Simplify right side
    295,970.40x = 56,607,420,473.28
  5. Step 5: Solve for x
    x = 56,607,420,473.28/295,970.40
  6. Step 6: Final answer
    x = 191,260.41

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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.