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Finding the Fourth Proportional to 472,977, 652,722.03 and 258,130.80

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Solution

The fourth proportional to 472,977, 652,722.03 and 258,130.80 is: 356,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,977 : 652,722.03 = 258,130.80 : x
  2. Step 2: Convert to fraction form
    472,977/652,722.03 = 258,130.80/x
  3. Step 3: Cross multiply
    472,977x = 652,722.03 × 258,130.80
  4. Step 4: Simplify right side
    472,977x = 168,487,659,781.52
  5. Step 5: Solve for x
    x = 168,487,659,781.52/472,977
  6. Step 6: Final answer
    x = 356,228.02

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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.