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Finding the Fourth Proportional to 561,503.88, 841,750.37 and 206,442.00

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Solution

The fourth proportional to 561,503.88, 841,750.37 and 206,442.00 is: 309,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,503.88 : 841,750.37 = 206,442.00 : x
  2. Step 2: Convert to fraction form
    561,503.88/841,750.37 = 206,442.00/x
  3. Step 3: Cross multiply
    561,503.88x = 841,750.37 × 206,442.00
  4. Step 4: Simplify right side
    561,503.88x = 173,772,625,674.79
  5. Step 5: Solve for x
    x = 173,772,625,674.79/561,503.88
  6. Step 6: Final answer
    x = 309,477.16

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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.