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Finding the Fourth Proportional to 590,455.82, 885,613.42 and 347,442.18

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Solution

The fourth proportional to 590,455.82, 885,613.42 and 347,442.18 is: 521,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,455.82 : 885,613.42 = 347,442.18 : x
  2. Step 2: Convert to fraction form
    590,455.82/885,613.42 = 347,442.18/x
  3. Step 3: Cross multiply
    590,455.82x = 885,613.42 × 347,442.18
  4. Step 4: Simplify right side
    590,455.82x = 307,699,455,544.85
  5. Step 5: Solve for x
    x = 307,699,455,544.85/590,455.82
  6. Step 6: Final answer
    x = 521,121.90

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1.5x scale

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.