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Finding the Fourth Proportional to 659,841.66, 990,462.40 and 584,429.75

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Solution

The fourth proportional to 659,841.66, 990,462.40 and 584,429.75 is: 877,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,841.66 : 990,462.40 = 584,429.75 : x
  2. Step 2: Convert to fraction form
    659,841.66/990,462.40 = 584,429.75/x
  3. Step 3: Cross multiply
    659,841.66x = 990,462.40 × 584,429.75
  4. Step 4: Simplify right side
    659,841.66x = 578,855,692,816.40
  5. Step 5: Solve for x
    x = 578,855,692,816.40/659,841.66
  6. Step 6: Final answer
    x = 877,264.54

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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.