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Finding the Fourth Proportional to 265,179, 365,947.08 and 145,947

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Solution

The fourth proportional to 265,179, 365,947.08 and 145,947 is: 201,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,179 : 365,947.08 = 145,947 : x
  2. Step 2: Convert to fraction form
    265,179/365,947.08 = 145,947/x
  3. Step 3: Cross multiply
    265,179x = 365,947.08 × 145,947
  4. Step 4: Simplify right side
    265,179x = 53,408,878,484.76
  5. Step 5: Solve for x
    x = 53,408,878,484.76/265,179
  6. Step 6: Final answer
    x = 201,406.89

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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.