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Finding the Fourth Proportional to 529,558.55, 731,142.71 and 406,832.36

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Solution

The fourth proportional to 529,558.55, 731,142.71 and 406,832.36 is: 561,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,558.55 : 731,142.71 = 406,832.36 : x
  2. Step 2: Convert to fraction form
    529,558.55/731,142.71 = 406,832.36/x
  3. Step 3: Cross multiply
    529,558.55x = 731,142.71 × 406,832.36
  4. Step 4: Simplify right side
    529,558.55x = 297,452,514,206.10
  5. Step 5: Solve for x
    x = 297,452,514,206.10/529,558.55
  6. Step 6: Final answer
    x = 561,699.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.