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Finding the Fourth Proportional to 706,885.71, 975,567.27 and 401,061.70

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Solution

The fourth proportional to 706,885.71, 975,567.27 and 401,061.70 is: 553,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,885.71 : 975,567.27 = 401,061.70 : x
  2. Step 2: Convert to fraction form
    706,885.71/975,567.27 = 401,061.70/x
  3. Step 3: Cross multiply
    706,885.71x = 975,567.27 × 401,061.70
  4. Step 4: Simplify right side
    706,885.71x = 391,262,667,770.56
  5. Step 5: Solve for x
    x = 391,262,667,770.56/706,885.71
  6. Step 6: Final answer
    x = 553,502.02

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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.