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Finding the Fourth Proportional to 585.26, 874.10 and 530.31

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Solution

The fourth proportional to 585.26, 874.10 and 530.31 is: 792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.26 : 874.10 = 530.31 : x
  2. Step 2: Convert to fraction form
    585.26/874.10 = 530.31/x
  3. Step 3: Cross multiply
    585.26x = 874.10 × 530.31
  4. Step 4: Simplify right side
    585.26x = 463,541.32
  5. Step 5: Solve for x
    x = 463,541.32/585.26
  6. Step 6: Final answer
    x = 792.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.