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Finding the Fourth Proportional to 424,611.48, 585,720.48 and 265,359

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Solution

The fourth proportional to 424,611.48, 585,720.48 and 265,359 is: 366,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,611.48 : 585,720.48 = 265,359 : x
  2. Step 2: Convert to fraction form
    424,611.48/585,720.48 = 265,359/x
  3. Step 3: Cross multiply
    424,611.48x = 585,720.48 × 265,359
  4. Step 4: Simplify right side
    424,611.48x = 155,426,200,852.32
  5. Step 5: Solve for x
    x = 155,426,200,852.32/424,611.48
  6. Step 6: Final answer
    x = 366,043.33

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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.