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Finding the Fourth Proportional to 292,482.14, 440,719.61 and 240,342.11

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Solution

The fourth proportional to 292,482.14, 440,719.61 and 240,342.11 is: 362,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,482.14 : 440,719.61 = 240,342.11 : x
  2. Step 2: Convert to fraction form
    292,482.14/440,719.61 = 240,342.11/x
  3. Step 3: Cross multiply
    292,482.14x = 440,719.61 × 240,342.11
  4. Step 4: Simplify right side
    292,482.14x = 105,923,481,674.36
  5. Step 5: Solve for x
    x = 105,923,481,674.36/292,482.14
  6. Step 6: Final answer
    x = 362,153.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.