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Finding the Fourth Proportional to 371,210.48, 512,267.45 and 201,444.60

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Solution

The fourth proportional to 371,210.48, 512,267.45 and 201,444.60 is: 277,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,210.48 : 512,267.45 = 201,444.60 : x
  2. Step 2: Convert to fraction form
    371,210.48/512,267.45 = 201,444.60/x
  3. Step 3: Cross multiply
    371,210.48x = 512,267.45 × 201,444.60
  4. Step 4: Simplify right side
    371,210.48x = 103,193,510,551.05
  5. Step 5: Solve for x
    x = 103,193,510,551.05/371,210.48
  6. Step 6: Final answer
    x = 277,991.91

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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.