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Finding the Fourth Proportional to 371,056.32, 512,058.71 and 201,290.45

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Solution

The fourth proportional to 371,056.32, 512,058.71 and 201,290.45 is: 277,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,056.32 : 512,058.71 = 201,290.45 : x
  2. Step 2: Convert to fraction form
    371,056.32/512,058.71 = 201,290.45/x
  3. Step 3: Cross multiply
    371,056.32x = 512,058.71 × 201,290.45
  4. Step 4: Simplify right side
    371,056.32x = 103,072,524,595.57
  5. Step 5: Solve for x
    x = 103,072,524,595.57/371,056.32
  6. Step 6: Final answer
    x = 277,781.35

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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.