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Finding the Fourth Proportional to 572,714.70, 859,072.05 and 403,878.30

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Solution

The fourth proportional to 572,714.70, 859,072.05 and 403,878.30 is: 605,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,714.70 : 859,072.05 = 403,878.30 : x
  2. Step 2: Convert to fraction form
    572,714.70/859,072.05 = 403,878.30/x
  3. Step 3: Cross multiply
    572,714.70x = 859,072.05 × 403,878.30
  4. Step 4: Simplify right side
    572,714.70x = 346,960,559,131.52
  5. Step 5: Solve for x
    x = 346,960,559,131.52/572,714.70
  6. Step 6: Final answer
    x = 605,817.45

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Similar ratio
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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.