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Finding the Fourth Proportional to 352,002.80, 528,004.20 and 348,892.40

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Solution

The fourth proportional to 352,002.80, 528,004.20 and 348,892.40 is: 523,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,002.80 : 528,004.20 = 348,892.40 : x
  2. Step 2: Convert to fraction form
    352,002.80/528,004.20 = 348,892.40/x
  3. Step 3: Cross multiply
    352,002.80x = 528,004.20 × 348,892.40
  4. Step 4: Simplify right side
    352,002.80x = 184,216,652,548.08
  5. Step 5: Solve for x
    x = 184,216,652,548.08/352,002.80
  6. Step 6: Final answer
    x = 523,338.60

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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.