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Finding the Fourth Proportional to 291,264.70, 436,897.05 and 197,952.70

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Solution

The fourth proportional to 291,264.70, 436,897.05 and 197,952.70 is: 296,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,264.70 : 436,897.05 = 197,952.70 : x
  2. Step 2: Convert to fraction form
    291,264.70/436,897.05 = 197,952.70/x
  3. Step 3: Cross multiply
    291,264.70x = 436,897.05 × 197,952.70
  4. Step 4: Simplify right side
    291,264.70x = 86,484,950,669.54
  5. Step 5: Solve for x
    x = 86,484,950,669.54/291,264.70
  6. Step 6: Final answer
    x = 296,929.05

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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.