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Finding the Fourth Proportional to 529,940.16, 731,005.40 and 333,393.52

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Solution

The fourth proportional to 529,940.16, 731,005.40 and 333,393.52 is: 459,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,940.16 : 731,005.40 = 333,393.52 : x
  2. Step 2: Convert to fraction form
    529,940.16/731,005.40 = 333,393.52/x
  3. Step 3: Cross multiply
    529,940.16x = 731,005.40 × 333,393.52
  4. Step 4: Simplify right side
    529,940.16x = 243,712,463,445.01
  5. Step 5: Solve for x
    x = 243,712,463,445.01/529,940.16
  6. Step 6: Final answer
    x = 459,886.76

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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.