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Finding the Fourth Proportional to 368,017.70, 552,026.55 and 210,553.70

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Solution

The fourth proportional to 368,017.70, 552,026.55 and 210,553.70 is: 315,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,017.70 : 552,026.55 = 210,553.70 : x
  2. Step 2: Convert to fraction form
    368,017.70/552,026.55 = 210,553.70/x
  3. Step 3: Cross multiply
    368,017.70x = 552,026.55 × 210,553.70
  4. Step 4: Simplify right side
    368,017.70x = 116,231,232,600.74
  5. Step 5: Solve for x
    x = 116,231,232,600.74/368,017.70
  6. Step 6: Final answer
    x = 315,830.55

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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.