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Finding the Fourth Proportional to 261,710.70, 392,566.05 and 235,466.70

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Solution

The fourth proportional to 261,710.70, 392,566.05 and 235,466.70 is: 353,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,710.70 : 392,566.05 = 235,466.70 : x
  2. Step 2: Convert to fraction form
    261,710.70/392,566.05 = 235,466.70/x
  3. Step 3: Cross multiply
    261,710.70x = 392,566.05 × 235,466.70
  4. Step 4: Simplify right side
    261,710.70x = 92,436,232,325.54
  5. Step 5: Solve for x
    x = 92,436,232,325.54/261,710.70
  6. Step 6: Final answer
    x = 353,200.05

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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.