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Finding the Fourth Proportional to 497,186.84, 686,114.34 and 270,832.34

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Solution

The fourth proportional to 497,186.84, 686,114.34 and 270,832.34 is: 373,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,186.84 : 686,114.34 = 270,832.34 : x
  2. Step 2: Convert to fraction form
    497,186.84/686,114.34 = 270,832.34/x
  3. Step 3: Cross multiply
    497,186.84x = 686,114.34 × 270,832.34
  4. Step 4: Simplify right side
    497,186.84x = 185,821,952,209.76
  5. Step 5: Solve for x
    x = 185,821,952,209.76/497,186.84
  6. Step 6: Final answer
    x = 373,746.72

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1.5x scale

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.