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Finding the Fourth Proportional to 472,598.84, 652,160.40 and 268,621.40

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Solution

The fourth proportional to 472,598.84, 652,160.40 and 268,621.40 is: 370,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,598.84 : 652,160.40 = 268,621.40 : x
  2. Step 2: Convert to fraction form
    472,598.84/652,160.40 = 268,621.40/x
  3. Step 3: Cross multiply
    472,598.84x = 652,160.40 × 268,621.40
  4. Step 4: Simplify right side
    472,598.84x = 175,184,239,672.56
  5. Step 5: Solve for x
    x = 175,184,239,672.56/472,598.84
  6. Step 6: Final answer
    x = 370,682.75

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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.