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Finding the Fourth Proportional to 307,717.44, 460,792.08 and 260,478.24

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Solution

The fourth proportional to 307,717.44, 460,792.08 and 260,478.24 is: 390,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,717.44 : 460,792.08 = 260,478.24 : x
  2. Step 2: Convert to fraction form
    307,717.44/460,792.08 = 260,478.24/x
  3. Step 3: Cross multiply
    307,717.44x = 460,792.08 × 260,478.24
  4. Step 4: Simplify right side
    307,717.44x = 120,026,310,004.34
  5. Step 5: Solve for x
    x = 120,026,310,004.34/307,717.44
  6. Step 6: Final answer
    x = 390,053.65

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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.