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Finding the Fourth Proportional to 255,594.79, 382,968.30 and 155,452.06

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Solution

The fourth proportional to 255,594.79, 382,968.30 and 155,452.06 is: 232,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,594.79 : 382,968.30 = 155,452.06 : x
  2. Step 2: Convert to fraction form
    255,594.79/382,968.30 = 155,452.06/x
  3. Step 3: Cross multiply
    255,594.79x = 382,968.30 × 155,452.06
  4. Step 4: Simplify right side
    255,594.79x = 59,533,212,211.35
  5. Step 5: Solve for x
    x = 59,533,212,211.35/255,594.79
  6. Step 6: Final answer
    x = 232,920.29

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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.