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Finding the Fourth Proportional to 626,572.06, 864,670.14 and 340,092.07

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Solution

The fourth proportional to 626,572.06, 864,670.14 and 340,092.07 is: 469,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,572.06 : 864,670.14 = 340,092.07 : x
  2. Step 2: Convert to fraction form
    626,572.06/864,670.14 = 340,092.07/x
  3. Step 3: Cross multiply
    626,572.06x = 864,670.14 × 340,092.07
  4. Step 4: Simplify right side
    626,572.06x = 294,067,455,618.11
  5. Step 5: Solve for x
    x = 294,067,455,618.11/626,572.06
  6. Step 6: Final answer
    x = 469,327.43

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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.