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Finding the Fourth Proportional to 659,182.02, 986,066 and 526,321.78

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Solution

The fourth proportional to 659,182.02, 986,066 and 526,321.78 is: 787,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,182.02 : 986,066 = 526,321.78 : x
  2. Step 2: Convert to fraction form
    659,182.02/986,066 = 526,321.78/x
  3. Step 3: Cross multiply
    659,182.02x = 986,066 × 526,321.78
  4. Step 4: Simplify right side
    659,182.02x = 518,988,012,317.48
  5. Step 5: Solve for x
    x = 518,988,012,317.48/659,182.02
  6. Step 6: Final answer
    x = 787,321.25

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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.