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Finding the Fourth Proportional to 424,395.64, 585,670.87 and 233,412.22

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Solution

The fourth proportional to 424,395.64, 585,670.87 and 233,412.22 is: 322,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,395.64 : 585,670.87 = 233,412.22 : x
  2. Step 2: Convert to fraction form
    424,395.64/585,670.87 = 233,412.22/x
  3. Step 3: Cross multiply
    424,395.64x = 585,670.87 × 233,412.22
  4. Step 4: Simplify right side
    424,395.64x = 136,702,737,956.03
  5. Step 5: Solve for x
    x = 136,702,737,956.03/424,395.64
  6. Step 6: Final answer
    x = 322,111.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.