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Finding the Fourth Proportional to 586,009.62, 879,041.16 and 186,612.84

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Solution

The fourth proportional to 586,009.62, 879,041.16 and 186,612.84 is: 279,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,009.62 : 879,041.16 = 186,612.84 : x
  2. Step 2: Convert to fraction form
    586,009.62/879,041.16 = 186,612.84/x
  3. Step 3: Cross multiply
    586,009.62x = 879,041.16 × 186,612.84
  4. Step 4: Simplify right side
    586,009.62x = 164,040,367,344.49
  5. Step 5: Solve for x
    x = 164,040,367,344.49/586,009.62
  6. Step 6: Final answer
    x = 279,927.77

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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.