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Finding the Fourth Proportional to 706,449.63, 974,926.16 and 404,701.95

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Solution

The fourth proportional to 706,449.63, 974,926.16 and 404,701.95 is: 558,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,449.63 : 974,926.16 = 404,701.95 : x
  2. Step 2: Convert to fraction form
    706,449.63/974,926.16 = 404,701.95/x
  3. Step 3: Cross multiply
    706,449.63x = 974,926.16 × 404,701.95
  4. Step 4: Simplify right side
    706,449.63x = 394,554,516,034.50
  5. Step 5: Solve for x
    x = 394,554,516,034.50/706,449.63
  6. Step 6: Final answer
    x = 558,503.39

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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.