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Finding the Fourth Proportional to 586,314.60, 879,356.70 and 192,330.60

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Solution

The fourth proportional to 586,314.60, 879,356.70 and 192,330.60 is: 288,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,314.60 : 879,356.70 = 192,330.60 : x
  2. Step 2: Convert to fraction form
    586,314.60/879,356.70 = 192,330.60/x
  3. Step 3: Cross multiply
    586,314.60x = 879,356.70 × 192,330.60
  4. Step 4: Simplify right side
    586,314.60x = 169,127,201,725.02
  5. Step 5: Solve for x
    x = 169,127,201,725.02/586,314.60
  6. Step 6: Final answer
    x = 288,458.11

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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.