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Finding the Fourth Proportional to 579,567.79, 868,738.10 and 194,950.50

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Solution

The fourth proportional to 579,567.79, 868,738.10 and 194,950.50 is: 292,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,567.79 : 868,738.10 = 194,950.50 : x
  2. Step 2: Convert to fraction form
    579,567.79/868,738.10 = 194,950.50/x
  3. Step 3: Cross multiply
    579,567.79x = 868,738.10 × 194,950.50
  4. Step 4: Simplify right side
    579,567.79x = 169,360,926,964.05
  5. Step 5: Solve for x
    x = 169,360,926,964.05/579,567.79
  6. Step 6: Final answer
    x = 292,219.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.