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Finding the Fourth Proportional to 566,594.26, 781,898.67 and 311,945.45

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Solution

The fourth proportional to 566,594.26, 781,898.67 and 311,945.45 is: 430,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,594.26 : 781,898.67 = 311,945.45 : x
  2. Step 2: Convert to fraction form
    566,594.26/781,898.67 = 311,945.45/x
  3. Step 3: Cross multiply
    566,594.26x = 781,898.67 × 311,945.45
  4. Step 4: Simplify right side
    566,594.26x = 243,909,728,558.06
  5. Step 5: Solve for x
    x = 243,909,728,558.06/566,594.26
  6. Step 6: Final answer
    x = 430,483.94

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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.