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Finding the Fourth Proportional to 346,462.50, 478,118.28 and 195,569.22

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Solution

The fourth proportional to 346,462.50, 478,118.28 and 195,569.22 is: 269,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,462.50 : 478,118.28 = 195,569.22 : x
  2. Step 2: Convert to fraction form
    346,462.50/478,118.28 = 195,569.22/x
  3. Step 3: Cross multiply
    346,462.50x = 478,118.28 × 195,569.22
  4. Step 4: Simplify right side
    346,462.50x = 93,505,219,087.34
  5. Step 5: Solve for x
    x = 93,505,219,087.34/346,462.50
  6. Step 6: Final answer
    x = 269,885.54

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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.