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Finding the Fourth Proportional to 346,463.50, 478,119.66 and 195,570.22

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Solution

The fourth proportional to 346,463.50, 478,119.66 and 195,570.22 is: 269,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,463.50 : 478,119.66 = 195,570.22 : x
  2. Step 2: Convert to fraction form
    346,463.50/478,119.66 = 195,570.22/x
  3. Step 3: Cross multiply
    346,463.50x = 478,119.66 × 195,570.22
  4. Step 4: Simplify right side
    346,463.50x = 93,505,967,092.53
  5. Step 5: Solve for x
    x = 93,505,967,092.53/346,463.50
  6. Step 6: Final answer
    x = 269,886.92

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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.