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Finding the Fourth Proportional to 559,670.70, 839,506.05 and 185,645.10

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Solution

The fourth proportional to 559,670.70, 839,506.05 and 185,645.10 is: 278,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,670.70 : 839,506.05 = 185,645.10 : x
  2. Step 2: Convert to fraction form
    559,670.70/839,506.05 = 185,645.10/x
  3. Step 3: Cross multiply
    559,670.70x = 839,506.05 × 185,645.10
  4. Step 4: Simplify right side
    559,670.70x = 155,850,184,602.86
  5. Step 5: Solve for x
    x = 155,850,184,602.86/559,670.70
  6. Step 6: Final answer
    x = 278,467.65

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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.