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Finding the Fourth Proportional to 283,055.36, 424,436.70 and 83,349.86

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Solution

The fourth proportional to 283,055.36, 424,436.70 and 83,349.86 is: 124,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,055.36 : 424,436.70 = 83,349.86 : x
  2. Step 2: Convert to fraction form
    283,055.36/424,436.70 = 83,349.86/x
  3. Step 3: Cross multiply
    283,055.36x = 424,436.70 × 83,349.86
  4. Step 4: Simplify right side
    283,055.36x = 35,376,739,523.86
  5. Step 5: Solve for x
    x = 35,376,739,523.86/283,055.36
  6. Step 6: Final answer
    x = 124,981.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.