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Finding the Fourth Proportional to 352,401.60, 528,602.40 and 162,861.60

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Solution

The fourth proportional to 352,401.60, 528,602.40 and 162,861.60 is: 244,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,401.60 : 528,602.40 = 162,861.60 : x
  2. Step 2: Convert to fraction form
    352,401.60/528,602.40 = 162,861.60/x
  3. Step 3: Cross multiply
    352,401.60x = 528,602.40 × 162,861.60
  4. Step 4: Simplify right side
    352,401.60x = 86,089,032,627.84
  5. Step 5: Solve for x
    x = 86,089,032,627.84/352,401.60
  6. Step 6: Final answer
    x = 244,292.40

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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.