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Finding the Fourth Proportional to 539,612.02, 744,670.62 and 297,894.72

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Solution

The fourth proportional to 539,612.02, 744,670.62 and 297,894.72 is: 411,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,612.02 : 744,670.62 = 297,894.72 : x
  2. Step 2: Convert to fraction form
    539,612.02/744,670.62 = 297,894.72/x
  3. Step 3: Cross multiply
    539,612.02x = 744,670.62 × 297,894.72
  4. Step 4: Simplify right side
    539,612.02x = 221,833,445,837.13
  5. Step 5: Solve for x
    x = 221,833,445,837.13/539,612.02
  6. Step 6: Final answer
    x = 411,098.05

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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.