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Finding the Fourth Proportional to 346,967.16, 478,808.46 and 196,060.92

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Solution

The fourth proportional to 346,967.16, 478,808.46 and 196,060.92 is: 270,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,967.16 : 478,808.46 = 196,060.92 : x
  2. Step 2: Convert to fraction form
    346,967.16/478,808.46 = 196,060.92/x
  3. Step 3: Cross multiply
    346,967.16x = 478,808.46 × 196,060.92
  4. Step 4: Simplify right side
    346,967.16x = 93,875,627,171.38
  5. Step 5: Solve for x
    x = 93,875,627,171.38/346,967.16
  6. Step 6: Final answer
    x = 270,560.55

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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.