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Finding the Fourth Proportional to 534,482.40, 801,723.60 and 335,416.80

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Solution

The fourth proportional to 534,482.40, 801,723.60 and 335,416.80 is: 503,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,482.40 : 801,723.60 = 335,416.80 : x
  2. Step 2: Convert to fraction form
    534,482.40/801,723.60 = 335,416.80/x
  3. Step 3: Cross multiply
    534,482.40x = 801,723.60 × 335,416.80
  4. Step 4: Simplify right side
    534,482.40x = 268,911,564,396.48
  5. Step 5: Solve for x
    x = 268,911,564,396.48/534,482.40
  6. Step 6: Final answer
    x = 503,125.20

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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.