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Finding the Fourth Proportional to 472,587, 652,208.74 and 268,701.88

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Solution

The fourth proportional to 472,587, 652,208.74 and 268,701.88 is: 370,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,587 : 652,208.74 = 268,701.88 : x
  2. Step 2: Convert to fraction form
    472,587/652,208.74 = 268,701.88/x
  3. Step 3: Cross multiply
    472,587x = 652,208.74 × 268,701.88
  4. Step 4: Simplify right side
    472,587x = 175,249,714,590.43
  5. Step 5: Solve for x
    x = 175,249,714,590.43/472,587
  6. Step 6: Final answer
    x = 370,830.59

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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.