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Finding the Fourth Proportional to 569,945.81, 786,335.22 and 337,385.09

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Solution

The fourth proportional to 569,945.81, 786,335.22 and 337,385.09 is: 465,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,945.81 : 786,335.22 = 337,385.09 : x
  2. Step 2: Convert to fraction form
    569,945.81/786,335.22 = 337,385.09/x
  3. Step 3: Cross multiply
    569,945.81x = 786,335.22 × 337,385.09
  4. Step 4: Simplify right side
    569,945.81x = 265,297,775,038.19
  5. Step 5: Solve for x
    x = 265,297,775,038.19/569,945.81
  6. Step 6: Final answer
    x = 465,478.95

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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.