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Finding the Fourth Proportional to 424,587.48, 585,687.36 and 265,335

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Solution

The fourth proportional to 424,587.48, 585,687.36 and 265,335 is: 366,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,587.48 : 585,687.36 = 265,335 : x
  2. Step 2: Convert to fraction form
    424,587.48/585,687.36 = 265,335/x
  3. Step 3: Cross multiply
    424,587.48x = 585,687.36 × 265,335
  4. Step 4: Simplify right side
    424,587.48x = 155,403,355,665.60
  5. Step 5: Solve for x
    x = 155,403,355,665.60/424,587.48
  6. Step 6: Final answer
    x = 366,010.22

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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.