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Finding the Fourth Proportional to 518,544.45, 776,608.11 and 500,585.13

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Solution

The fourth proportional to 518,544.45, 776,608.11 and 500,585.13 is: 749,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,544.45 : 776,608.11 = 500,585.13 : x
  2. Step 2: Convert to fraction form
    518,544.45/776,608.11 = 500,585.13/x
  3. Step 3: Cross multiply
    518,544.45x = 776,608.11 × 500,585.13
  4. Step 4: Simplify right side
    518,544.45x = 388,758,471,703.40
  5. Step 5: Solve for x
    x = 388,758,471,703.40/518,544.45
  6. Step 6: Final answer
    x = 749,710.99

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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.