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Finding the Fourth Proportional to 608,799.98, 840,086.76 and 412,166.47

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Solution

The fourth proportional to 608,799.98, 840,086.76 and 412,166.47 is: 568,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,799.98 : 840,086.76 = 412,166.47 : x
  2. Step 2: Convert to fraction form
    608,799.98/840,086.76 = 412,166.47/x
  3. Step 3: Cross multiply
    608,799.98x = 840,086.76 × 412,166.47
  4. Step 4: Simplify right side
    608,799.98x = 346,255,592,302.11
  5. Step 5: Solve for x
    x = 346,255,592,302.11/608,799.98
  6. Step 6: Final answer
    x = 568,750.99

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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.