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Finding the Fourth Proportional to 560,417.40, 840,563.79 and 200,573.69

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Solution

The fourth proportional to 560,417.40, 840,563.79 and 200,573.69 is: 300,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,417.40 : 840,563.79 = 200,573.69 : x
  2. Step 2: Convert to fraction form
    560,417.40/840,563.79 = 200,573.69/x
  3. Step 3: Cross multiply
    560,417.40x = 840,563.79 × 200,573.69
  4. Step 4: Simplify right side
    560,417.40x = 168,594,981,040.69
  5. Step 5: Solve for x
    x = 168,594,981,040.69/560,417.40
  6. Step 6: Final answer
    x = 300,838.23

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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.