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Finding the Fourth Proportional to 573,108.30, 859,662.45 and 519,964.20

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Solution

The fourth proportional to 573,108.30, 859,662.45 and 519,964.20 is: 779,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,108.30 : 859,662.45 = 519,964.20 : x
  2. Step 2: Convert to fraction form
    573,108.30/859,662.45 = 519,964.20/x
  3. Step 3: Cross multiply
    573,108.30x = 859,662.45 × 519,964.20
  4. Step 4: Simplify right side
    573,108.30x = 446,993,698,084.29
  5. Step 5: Solve for x
    x = 446,993,698,084.29/573,108.30
  6. Step 6: Final answer
    x = 779,946.30

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Double scale
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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.