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Finding the Fourth Proportional to 586,145.84, 879,095.73 and 165,323.30

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Solution

The fourth proportional to 586,145.84, 879,095.73 and 165,323.30 is: 247,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,145.84 : 879,095.73 = 165,323.30 : x
  2. Step 2: Convert to fraction form
    586,145.84/879,095.73 = 165,323.30/x
  3. Step 3: Cross multiply
    586,145.84x = 879,095.73 × 165,323.30
  4. Step 4: Simplify right side
    586,145.84x = 145,335,007,099.51
  5. Step 5: Solve for x
    x = 145,335,007,099.51/586,145.84
  6. Step 6: Final answer
    x = 247,950.25

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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.