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Finding the Fourth Proportional to 518,528.13, 777,792.19 and 124,544.13

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Solution

The fourth proportional to 518,528.13, 777,792.19 and 124,544.13 is: 186,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,528.13 : 777,792.19 = 124,544.13 : x
  2. Step 2: Convert to fraction form
    518,528.13/777,792.19 = 124,544.13/x
  3. Step 3: Cross multiply
    518,528.13x = 777,792.19 × 124,544.13
  4. Step 4: Simplify right side
    518,528.13x = 96,869,451,624.34
  5. Step 5: Solve for x
    x = 96,869,451,624.34/518,528.13
  6. Step 6: Final answer
    x = 186,816.19

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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.