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Finding the Fourth Proportional to 472,602.25, 652,079 and 268,637.12

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Solution

The fourth proportional to 472,602.25, 652,079 and 268,637.12 is: 370,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,602.25 : 652,079 = 268,637.12 : x
  2. Step 2: Convert to fraction form
    472,602.25/652,079 = 268,637.12/x
  3. Step 3: Cross multiply
    472,602.25x = 652,079 × 268,637.12
  4. Step 4: Simplify right side
    472,602.25x = 175,172,624,572.48
  5. Step 5: Solve for x
    x = 175,172,624,572.48/472,602.25
  6. Step 6: Final answer
    x = 370,655.50

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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.