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Finding the Fourth Proportional to 346,217.76, 477,802.80 and 195,311.52

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Solution

The fourth proportional to 346,217.76, 477,802.80 and 195,311.52 is: 269,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,217.76 : 477,802.80 = 195,311.52 : x
  2. Step 2: Convert to fraction form
    346,217.76/477,802.80 = 195,311.52/x
  3. Step 3: Cross multiply
    346,217.76x = 477,802.80 × 195,311.52
  4. Step 4: Simplify right side
    346,217.76x = 93,320,391,128.26
  5. Step 5: Solve for x
    x = 93,320,391,128.26/346,217.76
  6. Step 6: Final answer
    x = 269,542.47

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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.