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Finding the Fourth Proportional to 292,758.04, 438,798.20 and 134,654.68

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Solution

The fourth proportional to 292,758.04, 438,798.20 and 134,654.68 is: 201,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,758.04 : 438,798.20 = 134,654.68 : x
  2. Step 2: Convert to fraction form
    292,758.04/438,798.20 = 134,654.68/x
  3. Step 3: Cross multiply
    292,758.04x = 438,798.20 × 134,654.68
  4. Step 4: Simplify right side
    292,758.04x = 59,086,229,011.59
  5. Step 5: Solve for x
    x = 59,086,229,011.59/292,758.04
  6. Step 6: Final answer
    x = 201,826.16

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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.