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Finding the Fourth Proportional to 504,849.15, 696,693.81 and 275,411.34

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Solution

The fourth proportional to 504,849.15, 696,693.81 and 275,411.34 is: 380,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,849.15 : 696,693.81 = 275,411.34 : x
  2. Step 2: Convert to fraction form
    504,849.15/696,693.81 = 275,411.34/x
  3. Step 3: Cross multiply
    504,849.15x = 696,693.81 × 275,411.34
  4. Step 4: Simplify right side
    504,849.15x = 191,877,375,781.81
  5. Step 5: Solve for x
    x = 191,877,375,781.81/504,849.15
  6. Step 6: Final answer
    x = 380,068.73

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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.