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Finding the Fourth Proportional to 594,070.66, 819,860.88 and 339,416.38

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Solution

The fourth proportional to 594,070.66, 819,860.88 and 339,416.38 is: 468,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,070.66 : 819,860.88 = 339,416.38 : x
  2. Step 2: Convert to fraction form
    594,070.66/819,860.88 = 339,416.38/x
  3. Step 3: Cross multiply
    594,070.66x = 819,860.88 × 339,416.38
  4. Step 4: Simplify right side
    594,070.66x = 278,274,211,993.21
  5. Step 5: Solve for x
    x = 278,274,211,993.21/594,070.66
  6. Step 6: Final answer
    x = 468,419.38

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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.