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Finding the Fourth Proportional to 515,237.96, 710,893.86 and 297,393.32

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Solution

The fourth proportional to 515,237.96, 710,893.86 and 297,393.32 is: 410,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,237.96 : 710,893.86 = 297,393.32 : x
  2. Step 2: Convert to fraction form
    515,237.96/710,893.86 = 297,393.32/x
  3. Step 3: Cross multiply
    515,237.96x = 710,893.86 × 297,393.32
  4. Step 4: Simplify right side
    515,237.96x = 211,415,085,193.02
  5. Step 5: Solve for x
    x = 211,415,085,193.02/515,237.96
  6. Step 6: Final answer
    x = 410,325.13

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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.