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Finding the Fourth Proportional to 657,970.50, 987,050.00 and 202,600.35

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Solution

The fourth proportional to 657,970.50, 987,050.00 and 202,600.35 is: 303,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,970.50 : 987,050.00 = 202,600.35 : x
  2. Step 2: Convert to fraction form
    657,970.50/987,050.00 = 202,600.35/x
  3. Step 3: Cross multiply
    657,970.50x = 987,050.00 × 202,600.35
  4. Step 4: Simplify right side
    657,970.50x = 199,976,674,454.50
  5. Step 5: Solve for x
    x = 199,976,674,454.50/657,970.50
  6. Step 6: Final answer
    x = 303,929.54

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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.