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Finding the Fourth Proportional to 356,569.60, 534,854.40 and 223,859.20

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Solution

The fourth proportional to 356,569.60, 534,854.40 and 223,859.20 is: 335,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,569.60 : 534,854.40 = 223,859.20 : x
  2. Step 2: Convert to fraction form
    356,569.60/534,854.40 = 223,859.20/x
  3. Step 3: Cross multiply
    356,569.60x = 534,854.40 × 223,859.20
  4. Step 4: Simplify right side
    356,569.60x = 119,732,078,100.48
  5. Step 5: Solve for x
    x = 119,732,078,100.48/356,569.60
  6. Step 6: Final answer
    x = 335,788.80

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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.