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Finding the Fourth Proportional to 479,346.72, 661,502.01 and 264,494.76

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Solution

The fourth proportional to 479,346.72, 661,502.01 and 264,494.76 is: 365,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,346.72 : 661,502.01 = 264,494.76 : x
  2. Step 2: Convert to fraction form
    479,346.72/661,502.01 = 264,494.76/x
  3. Step 3: Cross multiply
    479,346.72x = 661,502.01 × 264,494.76
  4. Step 4: Simplify right side
    479,346.72x = 174,963,815,374.47
  5. Step 5: Solve for x
    x = 174,963,815,374.47/479,346.72
  6. Step 6: Final answer
    x = 365,004.72

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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.