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Finding the Fourth Proportional to 534,058.60, 800,828.70 and 297,149.80

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Solution

The fourth proportional to 534,058.60, 800,828.70 and 297,149.80 is: 445,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,058.60 : 800,828.70 = 297,149.80 : x
  2. Step 2: Convert to fraction form
    534,058.60/800,828.70 = 297,149.80/x
  3. Step 3: Cross multiply
    534,058.60x = 800,828.70 × 297,149.80
  4. Step 4: Simplify right side
    534,058.60x = 237,966,088,039.26
  5. Step 5: Solve for x
    x = 237,966,088,039.26/534,058.60
  6. Step 6: Final answer
    x = 445,580.48

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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.