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Finding the Fourth Proportional to 535,252.60, 802,878.90 and 531,566.20

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Solution

The fourth proportional to 535,252.60, 802,878.90 and 531,566.20 is: 797,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,252.60 : 802,878.90 = 531,566.20 : x
  2. Step 2: Convert to fraction form
    535,252.60/802,878.90 = 531,566.20/x
  3. Step 3: Cross multiply
    535,252.60x = 802,878.90 × 531,566.20
  4. Step 4: Simplify right side
    535,252.60x = 426,783,285,933.18
  5. Step 5: Solve for x
    x = 426,783,285,933.18/535,252.60
  6. Step 6: Final answer
    x = 797,349.30

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Double scale
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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.