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Finding the Fourth Proportional to 464,780.40, 641,250.75 and 260,801.34

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Solution

The fourth proportional to 464,780.40, 641,250.75 and 260,801.34 is: 359,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,780.40 : 641,250.75 = 260,801.34 : x
  2. Step 2: Convert to fraction form
    464,780.40/641,250.75 = 260,801.34/x
  3. Step 3: Cross multiply
    464,780.40x = 641,250.75 × 260,801.34
  4. Step 4: Simplify right side
    464,780.40x = 167,239,054,876.01
  5. Step 5: Solve for x
    x = 167,239,054,876.01/464,780.40
  6. Step 6: Final answer
    x = 359,823.81

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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.