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Finding the Fourth Proportional to 268,295.20, 402,442.80 and 237,968.80

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Solution

The fourth proportional to 268,295.20, 402,442.80 and 237,968.80 is: 356,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,295.20 : 402,442.80 = 237,968.80 : x
  2. Step 2: Convert to fraction form
    268,295.20/402,442.80 = 237,968.80/x
  3. Step 3: Cross multiply
    268,295.20x = 402,442.80 × 237,968.80
  4. Step 4: Simplify right side
    268,295.20x = 95,768,830,184.64
  5. Step 5: Solve for x
    x = 95,768,830,184.64/268,295.20
  6. Step 6: Final answer
    x = 356,953.20

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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.