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Finding the Fourth Proportional to 464,514.30, 641,036.70 and 260,610.30

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Solution

The fourth proportional to 464,514.30, 641,036.70 and 260,610.30 is: 359,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,514.30 : 641,036.70 = 260,610.30 : x
  2. Step 2: Convert to fraction form
    464,514.30/641,036.70 = 260,610.30/x
  3. Step 3: Cross multiply
    464,514.30x = 641,036.70 × 260,610.30
  4. Step 4: Simplify right side
    464,514.30x = 167,060,766,698.01
  5. Step 5: Solve for x
    x = 167,060,766,698.01/464,514.30
  6. Step 6: Final answer
    x = 359,646.12

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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.