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Finding the Fourth Proportional to 472,595.28, 652,220.28 and 268,710.18

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Solution

The fourth proportional to 472,595.28, 652,220.28 and 268,710.18 is: 370,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,595.28 : 652,220.28 = 268,710.18 : x
  2. Step 2: Convert to fraction form
    472,595.28/652,220.28 = 268,710.18/x
  3. Step 3: Cross multiply
    472,595.28x = 652,220.28 × 268,710.18
  4. Step 4: Simplify right side
    472,595.28x = 175,258,228,838.45
  5. Step 5: Solve for x
    x = 175,258,228,838.45/472,595.28
  6. Step 6: Final answer
    x = 370,842.11

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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.