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Finding the Fourth Proportional to 448,009.30, 618,252.82 and 246,805.30

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Solution

The fourth proportional to 448,009.30, 618,252.82 and 246,805.30 is: 340,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,009.30 : 618,252.82 = 246,805.30 : x
  2. Step 2: Convert to fraction form
    448,009.30/618,252.82 = 246,805.30/x
  3. Step 3: Cross multiply
    448,009.30x = 618,252.82 × 246,805.30
  4. Step 4: Simplify right side
    448,009.30x = 152,588,072,715.95
  5. Step 5: Solve for x
    x = 152,588,072,715.95/448,009.30
  6. Step 6: Final answer
    x = 340,591.31

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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.