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Finding the Fourth Proportional to 297,109.01, 409,877.74 and 176,255.39

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Solution

The fourth proportional to 297,109.01, 409,877.74 and 176,255.39 is: 243,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,109.01 : 409,877.74 = 176,255.39 : x
  2. Step 2: Convert to fraction form
    297,109.01/409,877.74 = 176,255.39/x
  3. Step 3: Cross multiply
    297,109.01x = 409,877.74 × 176,255.39
  4. Step 4: Simplify right side
    297,109.01x = 72,243,160,916.02
  5. Step 5: Solve for x
    x = 72,243,160,916.02/297,109.01
  6. Step 6: Final answer
    x = 243,153.72

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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.