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Finding the Fourth Proportional to 292,262.60, 437,519.10 and 260,769.80

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Solution

The fourth proportional to 292,262.60, 437,519.10 and 260,769.80 is: 390,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,262.60 : 437,519.10 = 260,769.80 : x
  2. Step 2: Convert to fraction form
    292,262.60/437,519.10 = 260,769.80/x
  3. Step 3: Cross multiply
    292,262.60x = 437,519.10 × 260,769.80
  4. Step 4: Simplify right side
    292,262.60x = 114,091,768,203.18
  5. Step 5: Solve for x
    x = 114,091,768,203.18/292,262.60
  6. Step 6: Final answer
    x = 390,374.16

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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.