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Finding the Fourth Proportional to 543,522.72, 750,130.53 and 328,664.34

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Solution

The fourth proportional to 543,522.72, 750,130.53 and 328,664.34 is: 453,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,522.72 : 750,130.53 = 328,664.34 : x
  2. Step 2: Convert to fraction form
    543,522.72/750,130.53 = 328,664.34/x
  3. Step 3: Cross multiply
    543,522.72x = 750,130.53 × 328,664.34
  4. Step 4: Simplify right side
    543,522.72x = 246,541,155,556.30
  5. Step 5: Solve for x
    x = 246,541,155,556.30/543,522.72
  6. Step 6: Final answer
    x = 453,598.62

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1.5x scale

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.