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Finding the Fourth Proportional to 560,668.59, 840,412.29 and 279,595.35

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Solution

The fourth proportional to 560,668.59, 840,412.29 and 279,595.35 is: 419,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,668.59 : 840,412.29 = 279,595.35 : x
  2. Step 2: Convert to fraction form
    560,668.59/840,412.29 = 279,595.35/x
  3. Step 3: Cross multiply
    560,668.59x = 840,412.29 × 279,595.35
  4. Step 4: Simplify right side
    560,668.59x = 234,975,368,366.85
  5. Step 5: Solve for x
    x = 234,975,368,366.85/560,668.59
  6. Step 6: Final answer
    x = 419,098.51

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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.