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Finding the Fourth Proportional to 307,018.92, 460,590.48 and 129,526.32

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Solution

The fourth proportional to 307,018.92, 460,590.48 and 129,526.32 is: 194,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,018.92 : 460,590.48 = 129,526.32 : x
  2. Step 2: Convert to fraction form
    307,018.92/460,590.48 = 129,526.32/x
  3. Step 3: Cross multiply
    307,018.92x = 460,590.48 × 129,526.32
  4. Step 4: Simplify right side
    307,018.92x = 59,658,589,901.43
  5. Step 5: Solve for x
    x = 59,658,589,901.43/307,018.92
  6. Step 6: Final answer
    x = 194,315.68

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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.