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Finding the Fourth Proportional to 507,291.30, 761,024.70 and 170,364.60

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Solution

The fourth proportional to 507,291.30, 761,024.70 and 170,364.60 is: 255,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,291.30 : 761,024.70 = 170,364.60 : x
  2. Step 2: Convert to fraction form
    507,291.30/761,024.70 = 170,364.60/x
  3. Step 3: Cross multiply
    507,291.30x = 761,024.70 × 170,364.60
  4. Step 4: Simplify right side
    507,291.30x = 129,651,668,605.62
  5. Step 5: Solve for x
    x = 129,651,668,605.62/507,291.30
  6. Step 6: Final answer
    x = 255,576.37

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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.