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Finding the Fourth Proportional to 578,781.92, 798,574.76 and 333,841.56

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Solution

The fourth proportional to 578,781.92, 798,574.76 and 333,841.56 is: 460,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,781.92 : 798,574.76 = 333,841.56 : x
  2. Step 2: Convert to fraction form
    578,781.92/798,574.76 = 333,841.56/x
  3. Step 3: Cross multiply
    578,781.92x = 798,574.76 × 333,841.56
  4. Step 4: Simplify right side
    578,781.92x = 266,597,443,237.72
  5. Step 5: Solve for x
    x = 266,597,443,237.72/578,781.92
  6. Step 6: Final answer
    x = 460,618.13

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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.