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Finding the Fourth Proportional to 626,835.15, 865,008.24 and 340,348.68

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Solution

The fourth proportional to 626,835.15, 865,008.24 and 340,348.68 is: 469,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,835.15 : 865,008.24 = 340,348.68 : x
  2. Step 2: Convert to fraction form
    626,835.15/865,008.24 = 340,348.68/x
  3. Step 3: Cross multiply
    626,835.15x = 865,008.24 × 340,348.68
  4. Step 4: Simplify right side
    626,835.15x = 294,404,412,673.12
  5. Step 5: Solve for x
    x = 294,404,412,673.12/626,835.15
  6. Step 6: Final answer
    x = 469,668.00

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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.