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Finding the Fourth Proportional to 504,705.86, 696,469.51 and 300,752.24

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Solution

The fourth proportional to 504,705.86, 696,469.51 and 300,752.24 is: 415,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,705.86 : 696,469.51 = 300,752.24 : x
  2. Step 2: Convert to fraction form
    504,705.86/696,469.51 = 300,752.24/x
  3. Step 3: Cross multiply
    504,705.86x = 696,469.51 × 300,752.24
  4. Step 4: Simplify right side
    504,705.86x = 209,464,766,881.30
  5. Step 5: Solve for x
    x = 209,464,766,881.30/504,705.86
  6. Step 6: Final answer
    x = 415,023.45

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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.