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Finding the Fourth Proportional to 464,425.10, 640,913.97 and 260,521.37

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Solution

The fourth proportional to 464,425.10, 640,913.97 and 260,521.37 is: 359,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,425.10 : 640,913.97 = 260,521.37 : x
  2. Step 2: Convert to fraction form
    464,425.10/640,913.97 = 260,521.37/x
  3. Step 3: Cross multiply
    464,425.10x = 640,913.97 × 260,521.37
  4. Step 4: Simplify right side
    464,425.10x = 166,971,781,009.36
  5. Step 5: Solve for x
    x = 166,971,781,009.36/464,425.10
  6. Step 6: Final answer
    x = 359,523.60

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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.