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Finding the Fourth Proportional to 565,187.68, 847,820.40 and 191,084.32

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Solution

The fourth proportional to 565,187.68, 847,820.40 and 191,084.32 is: 286,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,187.68 : 847,820.40 = 191,084.32 : x
  2. Step 2: Convert to fraction form
    565,187.68/847,820.40 = 191,084.32/x
  3. Step 3: Cross multiply
    565,187.68x = 847,820.40 × 191,084.32
  4. Step 4: Simplify right side
    565,187.68x = 162,005,184,616.13
  5. Step 5: Solve for x
    x = 162,005,184,616.13/565,187.68
  6. Step 6: Final answer
    x = 286,639.62

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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.