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Finding the Fourth Proportional to 518,282.45, 714,806.86 and 435,175.64

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Solution

The fourth proportional to 518,282.45, 714,806.86 and 435,175.64 is: 600,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,282.45 : 714,806.86 = 435,175.64 : x
  2. Step 2: Convert to fraction form
    518,282.45/714,806.86 = 435,175.64/x
  3. Step 3: Cross multiply
    518,282.45x = 714,806.86 × 435,175.64
  4. Step 4: Simplify right side
    518,282.45x = 311,066,527,026.98
  5. Step 5: Solve for x
    x = 311,066,527,026.98/518,282.45
  6. Step 6: Final answer
    x = 600,187.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.