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Finding the Fourth Proportional to 585,915.35, 808,569.52 and 344,208.11

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Solution

The fourth proportional to 585,915.35, 808,569.52 and 344,208.11 is: 475,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,915.35 : 808,569.52 = 344,208.11 : x
  2. Step 2: Convert to fraction form
    585,915.35/808,569.52 = 344,208.11/x
  3. Step 3: Cross multiply
    585,915.35x = 808,569.52 × 344,208.11
  4. Step 4: Simplify right side
    585,915.35x = 278,316,186,282.81
  5. Step 5: Solve for x
    x = 278,316,186,282.81/585,915.35
  6. Step 6: Final answer
    x = 475,010.91

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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.