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Finding the Fourth Proportional to 346,618.88, 478,252.06 and 201,338.36

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Solution

The fourth proportional to 346,618.88, 478,252.06 and 201,338.36 is: 277,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,618.88 : 478,252.06 = 201,338.36 : x
  2. Step 2: Convert to fraction form
    346,618.88/478,252.06 = 201,338.36/x
  3. Step 3: Cross multiply
    346,618.88x = 478,252.06 × 201,338.36
  4. Step 4: Simplify right side
    346,618.88x = 96,290,482,532.42
  5. Step 5: Solve for x
    x = 96,290,482,532.42/346,618.88
  6. Step 6: Final answer
    x = 277,799.30

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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.