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Finding the Fourth Proportional to 586,113.52, 879,160.68 and 186,748.87

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Solution

The fourth proportional to 586,113.52, 879,160.68 and 186,748.87 is: 280,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,113.52 : 879,160.68 = 186,748.87 : x
  2. Step 2: Convert to fraction form
    586,113.52/879,160.68 = 186,748.87/x
  3. Step 3: Cross multiply
    586,113.52x = 879,160.68 × 186,748.87
  4. Step 4: Simplify right side
    586,113.52x = 164,182,263,538.43
  5. Step 5: Solve for x
    x = 164,182,263,538.43/586,113.52
  6. Step 6: Final answer
    x = 280,120.25

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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.