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Finding the Fourth Proportional to 317,248.39, 437,799.78 and 174,009.01

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Solution

The fourth proportional to 317,248.39, 437,799.78 and 174,009.01 is: 240,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,248.39 : 437,799.78 = 174,009.01 : x
  2. Step 2: Convert to fraction form
    317,248.39/437,799.78 = 174,009.01/x
  3. Step 3: Cross multiply
    317,248.39x = 437,799.78 × 174,009.01
  4. Step 4: Simplify right side
    317,248.39x = 76,181,106,296.02
  5. Step 5: Solve for x
    x = 76,181,106,296.02/317,248.39
  6. Step 6: Final answer
    x = 240,130.79

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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.