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Finding the Fourth Proportional to 314,871.60, 472,399.08 and 101,634.96

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Solution

The fourth proportional to 314,871.60, 472,399.08 and 101,634.96 is: 152,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,871.60 : 472,399.08 = 101,634.96 : x
  2. Step 2: Convert to fraction form
    314,871.60/472,399.08 = 101,634.96/x
  3. Step 3: Cross multiply
    314,871.60x = 472,399.08 × 101,634.96
  4. Step 4: Simplify right side
    314,871.60x = 48,012,261,599.84
  5. Step 5: Solve for x
    x = 48,012,261,599.84/314,871.60
  6. Step 6: Final answer
    x = 152,482.03

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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.