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Finding the Fourth Proportional to 473,078.25, 652,848.57 and 303,312.42

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Solution

The fourth proportional to 473,078.25, 652,848.57 and 303,312.42 is: 418,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,078.25 : 652,848.57 = 303,312.42 : x
  2. Step 2: Convert to fraction form
    473,078.25/652,848.57 = 303,312.42/x
  3. Step 3: Cross multiply
    473,078.25x = 652,848.57 × 303,312.42
  4. Step 4: Simplify right side
    473,078.25x = 198,017,079,660.24
  5. Step 5: Solve for x
    x = 198,017,079,660.24/473,078.25
  6. Step 6: Final answer
    x = 418,571.51

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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.