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Finding the Fourth Proportional to 292,590.01, 438,628.65 and 140,710.96

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Solution

The fourth proportional to 292,590.01, 438,628.65 and 140,710.96 is: 210,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,590.01 : 438,628.65 = 140,710.96 : x
  2. Step 2: Convert to fraction form
    292,590.01/438,628.65 = 140,710.96/x
  3. Step 3: Cross multiply
    292,590.01x = 438,628.65 × 140,710.96
  4. Step 4: Simplify right side
    292,590.01x = 61,719,858,425.00
  5. Step 5: Solve for x
    x = 61,719,858,425.00/292,590.01
  6. Step 6: Final answer
    x = 210,943.15

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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.