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Finding the Fourth Proportional to 371,058.07, 512,061.12 and 201,292.20

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Solution

The fourth proportional to 371,058.07, 512,061.12 and 201,292.20 is: 277,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,058.07 : 512,061.12 = 201,292.20 : x
  2. Step 2: Convert to fraction form
    371,058.07/512,061.12 = 201,292.20/x
  3. Step 3: Cross multiply
    371,058.07x = 512,061.12 × 201,292.20
  4. Step 4: Simplify right side
    371,058.07x = 103,073,909,379.26
  5. Step 5: Solve for x
    x = 103,073,909,379.26/371,058.07
  6. Step 6: Final answer
    x = 277,783.77

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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.