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Finding the Fourth Proportional to 388,924.26, 583,386.26 and 93,436.26

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Solution

The fourth proportional to 388,924.26, 583,386.26 and 93,436.26 is: 140,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,924.26 : 583,386.26 = 93,436.26 : x
  2. Step 2: Convert to fraction form
    388,924.26/583,386.26 = 93,436.26/x
  3. Step 3: Cross multiply
    388,924.26x = 583,386.26 × 93,436.26
  4. Step 4: Simplify right side
    388,924.26x = 54,509,429,802.61
  5. Step 5: Solve for x
    x = 54,509,429,802.61/388,924.26
  6. Step 6: Final answer
    x = 140,154.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.