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Finding the Fourth Proportional to 346,690.72, 478,444.08 and 195,797.44

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Solution

The fourth proportional to 346,690.72, 478,444.08 and 195,797.44 is: 270,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,690.72 : 478,444.08 = 195,797.44 : x
  2. Step 2: Convert to fraction form
    346,690.72/478,444.08 = 195,797.44/x
  3. Step 3: Cross multiply
    346,690.72x = 478,444.08 × 195,797.44
  4. Step 4: Simplify right side
    346,690.72x = 93,678,126,047.16
  5. Step 5: Solve for x
    x = 93,678,126,047.16/346,690.72
  6. Step 6: Final answer
    x = 270,206.62

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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.