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Finding the Fourth Proportional to 283,289.60, 424,934.40 and 237,670.40

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Solution

The fourth proportional to 283,289.60, 424,934.40 and 237,670.40 is: 356,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,289.60 : 424,934.40 = 237,670.40 : x
  2. Step 2: Convert to fraction form
    283,289.60/424,934.40 = 237,670.40/x
  3. Step 3: Cross multiply
    283,289.60x = 424,934.40 × 237,670.40
  4. Step 4: Simplify right side
    283,289.60x = 100,994,328,821.76
  5. Step 5: Solve for x
    x = 100,994,328,821.76/283,289.60
  6. Step 6: Final answer
    x = 356,505.60

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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.