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Finding the Fourth Proportional to 464,423.52, 640,911.48 and 260,519.64

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Solution

The fourth proportional to 464,423.52, 640,911.48 and 260,519.64 is: 359,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,423.52 : 640,911.48 = 260,519.64 : x
  2. Step 2: Convert to fraction form
    464,423.52/640,911.48 = 260,519.64/x
  3. Step 3: Cross multiply
    464,423.52x = 640,911.48 × 260,519.64
  4. Step 4: Simplify right side
    464,423.52x = 166,970,028,041.47
  5. Step 5: Solve for x
    x = 166,970,028,041.47/464,423.52
  6. Step 6: Final answer
    x = 359,521.04

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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.