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Finding the Fourth Proportional to 373,542.90, 557,400.90 and 333,285.12

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Solution

The fourth proportional to 373,542.90, 557,400.90 and 333,285.12 is: 497,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,542.90 : 557,400.90 = 333,285.12 : x
  2. Step 2: Convert to fraction form
    373,542.90/557,400.90 = 333,285.12/x
  3. Step 3: Cross multiply
    373,542.90x = 557,400.90 × 333,285.12
  4. Step 4: Simplify right side
    373,542.90x = 185,773,425,844.61
  5. Step 5: Solve for x
    x = 185,773,425,844.61/373,542.90
  6. Step 6: Final answer
    x = 497,328.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.