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Finding the Fourth Proportional to 346,781.04, 478,596.72 and 195,887.76

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Solution

The fourth proportional to 346,781.04, 478,596.72 and 195,887.76 is: 270,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,781.04 : 478,596.72 = 195,887.76 : x
  2. Step 2: Convert to fraction form
    346,781.04/478,596.72 = 195,887.76/x
  3. Step 3: Cross multiply
    346,781.04x = 478,596.72 × 195,887.76
  4. Step 4: Simplify right side
    346,781.04x = 93,751,239,424.15
  5. Step 5: Solve for x
    x = 93,751,239,424.15/346,781.04
  6. Step 6: Final answer
    x = 270,347.07

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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.