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Finding the Fourth Proportional to 210,304.01, 315,408.84 and 60,510.92

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Solution

The fourth proportional to 210,304.01, 315,408.84 and 60,510.92 is: 90,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,304.01 : 315,408.84 = 60,510.92 : x
  2. Step 2: Convert to fraction form
    210,304.01/315,408.84 = 60,510.92/x
  3. Step 3: Cross multiply
    210,304.01x = 315,408.84 × 60,510.92
  4. Step 4: Simplify right side
    210,304.01x = 19,085,677,507.49
  5. Step 5: Solve for x
    x = 19,085,677,507.49/210,304.01
  6. Step 6: Final answer
    x = 90,752.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.