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Finding the Fourth Proportional to 286,810.38, 395,798.65 and 159,483.24

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Solution

The fourth proportional to 286,810.38, 395,798.65 and 159,483.24 is: 220,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,810.38 : 395,798.65 = 159,483.24 : x
  2. Step 2: Convert to fraction form
    286,810.38/395,798.65 = 159,483.24/x
  3. Step 3: Cross multiply
    286,810.38x = 395,798.65 × 159,483.24
  4. Step 4: Simplify right side
    286,810.38x = 63,123,251,588.01
  5. Step 5: Solve for x
    x = 63,123,251,588.01/286,810.38
  6. Step 6: Final answer
    x = 220,087.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.