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Finding the Fourth Proportional to 432,480.18, 648,718.68 and 116,937

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Solution

The fourth proportional to 432,480.18, 648,718.68 and 116,937 is: 175,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,480.18 : 648,718.68 = 116,937 : x
  2. Step 2: Convert to fraction form
    432,480.18/648,718.68 = 116,937/x
  3. Step 3: Cross multiply
    432,480.18x = 648,718.68 × 116,937
  4. Step 4: Simplify right side
    432,480.18x = 75,859,216,283.16
  5. Step 5: Solve for x
    x = 75,859,216,283.16/432,480.18
  6. Step 6: Final answer
    x = 175,405.07

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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.