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Finding the Fourth Proportional to 424,368.78, 585,615.51 and 233,381.58

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Solution

The fourth proportional to 424,368.78, 585,615.51 and 233,381.58 is: 322,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,368.78 : 585,615.51 = 233,381.58 : x
  2. Step 2: Convert to fraction form
    424,368.78/585,615.51 = 233,381.58/x
  3. Step 3: Cross multiply
    424,368.78x = 585,615.51 × 233,381.58
  4. Step 4: Simplify right side
    424,368.78x = 136,671,872,996.31
  5. Step 5: Solve for x
    x = 136,671,872,996.31/424,368.78
  6. Step 6: Final answer
    x = 322,059.21

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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.