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Finding the Fourth Proportional to 569,811.60, 854,717.40 and 357,235.20

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Solution

The fourth proportional to 569,811.60, 854,717.40 and 357,235.20 is: 535,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,811.60 : 854,717.40 = 357,235.20 : x
  2. Step 2: Convert to fraction form
    569,811.60/854,717.40 = 357,235.20/x
  3. Step 3: Cross multiply
    569,811.60x = 854,717.40 × 357,235.20
  4. Step 4: Simplify right side
    569,811.60x = 305,335,141,332.48
  5. Step 5: Solve for x
    x = 305,335,141,332.48/569,811.60
  6. Step 6: Final answer
    x = 535,852.80

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Similar ratio
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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.