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Finding the Fourth Proportional to 497,172.84, 686,095.02 and 270,818.34

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Solution

The fourth proportional to 497,172.84, 686,095.02 and 270,818.34 is: 373,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,172.84 : 686,095.02 = 270,818.34 : x
  2. Step 2: Convert to fraction form
    497,172.84/686,095.02 = 270,818.34/x
  3. Step 3: Cross multiply
    497,172.84x = 686,095.02 × 270,818.34
  4. Step 4: Simplify right side
    497,172.84x = 185,807,114,398.67
  5. Step 5: Solve for x
    x = 185,807,114,398.67/497,172.84
  6. Step 6: Final answer
    x = 373,727.40

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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.