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Finding the Fourth Proportional to 352,016.60, 528,024.90 and 127,376.60

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Solution

The fourth proportional to 352,016.60, 528,024.90 and 127,376.60 is: 191,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,016.60 : 528,024.90 = 127,376.60 : x
  2. Step 2: Convert to fraction form
    352,016.60/528,024.90 = 127,376.60/x
  3. Step 3: Cross multiply
    352,016.60x = 528,024.90 × 127,376.60
  4. Step 4: Simplify right side
    352,016.60x = 67,258,016,477.34
  5. Step 5: Solve for x
    x = 67,258,016,477.34/352,016.60
  6. Step 6: Final answer
    x = 191,064.90

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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.