Home / 294,905.60-442,358.40-282,003.20

Finding the Fourth Proportional to 294,905.60, 442,358.40 and 282,003.20

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Solution

The fourth proportional to 294,905.60, 442,358.40 and 282,003.20 is: 423,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,905.60 : 442,358.40 = 282,003.20 : x
  2. Step 2: Convert to fraction form
    294,905.60/442,358.40 = 282,003.20/x
  3. Step 3: Cross multiply
    294,905.60x = 442,358.40 × 282,003.20
  4. Step 4: Simplify right side
    294,905.60x = 124,746,484,346.88
  5. Step 5: Solve for x
    x = 124,746,484,346.88/294,905.60
  6. Step 6: Final answer
    x = 423,004.80

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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.