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Finding the Fourth Proportional to 371,535.28, 512,875.60 and 250,840.08

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Solution

The fourth proportional to 371,535.28, 512,875.60 and 250,840.08 is: 346,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,535.28 : 512,875.60 = 250,840.08 : x
  2. Step 2: Convert to fraction form
    371,535.28/512,875.60 = 250,840.08/x
  3. Step 3: Cross multiply
    371,535.28x = 512,875.60 × 250,840.08
  4. Step 4: Simplify right side
    371,535.28x = 128,649,756,534.05
  5. Step 5: Solve for x
    x = 128,649,756,534.05/371,535.28
  6. Step 6: Final answer
    x = 346,265.25

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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.