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Finding the Fourth Proportional to 352,000.30, 528,000.45 and 277,350.70

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Solution

The fourth proportional to 352,000.30, 528,000.45 and 277,350.70 is: 416,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,000.30 : 528,000.45 = 277,350.70 : x
  2. Step 2: Convert to fraction form
    352,000.30/528,000.45 = 277,350.70/x
  3. Step 3: Cross multiply
    352,000.30x = 528,000.45 × 277,350.70
  4. Step 4: Simplify right side
    352,000.30x = 146,441,294,407.82
  5. Step 5: Solve for x
    x = 146,441,294,407.82/352,000.30
  6. Step 6: Final answer
    x = 416,026.05

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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.