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Finding the Fourth Proportional to 590.16, 883.32 and 416.40

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Solution

The fourth proportional to 590.16, 883.32 and 416.40 is: 623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.16 : 883.32 = 416.40 : x
  2. Step 2: Convert to fraction form
    590.16/883.32 = 416.40/x
  3. Step 3: Cross multiply
    590.16x = 883.32 × 416.40
  4. Step 4: Simplify right side
    590.16x = 367,814.45
  5. Step 5: Solve for x
    x = 367,814.45/590.16
  6. Step 6: Final answer
    x = 623.25

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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.