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Finding the Fourth Proportional to 360,557.70, 540,678.72 and 171,072.09

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Solution

The fourth proportional to 360,557.70, 540,678.72 and 171,072.09 is: 256,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,557.70 : 540,678.72 = 171,072.09 : x
  2. Step 2: Convert to fraction form
    360,557.70/540,678.72 = 171,072.09/x
  3. Step 3: Cross multiply
    360,557.70x = 540,678.72 × 171,072.09
  4. Step 4: Simplify right side
    360,557.70x = 92,495,038,648.92
  5. Step 5: Solve for x
    x = 92,495,038,648.92/360,557.70
  6. Step 6: Final answer
    x = 256,533.25

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1.5x scale

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.