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Finding the Fourth Proportional to 472,570.56, 652,271.40 and 268,740.60

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Solution

The fourth proportional to 472,570.56, 652,271.40 and 268,740.60 is: 370,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,570.56 : 652,271.40 = 268,740.60 : x
  2. Step 2: Convert to fraction form
    472,570.56/652,271.40 = 268,740.60/x
  3. Step 3: Cross multiply
    472,570.56x = 652,271.40 × 268,740.60
  4. Step 4: Simplify right side
    472,570.56x = 175,291,807,398.84
  5. Step 5: Solve for x
    x = 175,291,807,398.84/472,570.56
  6. Step 6: Final answer
    x = 370,932.56

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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.