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Finding the Fourth Proportional to 566,289.69, 781,482.36 and 324,586.40

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Solution

The fourth proportional to 566,289.69, 781,482.36 and 324,586.40 is: 447,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,289.69 : 781,482.36 = 324,586.40 : x
  2. Step 2: Convert to fraction form
    566,289.69/781,482.36 = 324,586.40/x
  3. Step 3: Cross multiply
    566,289.69x = 781,482.36 × 324,586.40
  4. Step 4: Simplify right side
    566,289.69x = 253,658,541,988.49
  5. Step 5: Solve for x
    x = 253,658,541,988.49/566,289.69
  6. Step 6: Final answer
    x = 447,930.71

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Double scale
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1.5x scale

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.