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Finding the Fourth Proportional to 471,615.42, 651,261.56 and 299,588.83

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Solution

The fourth proportional to 471,615.42, 651,261.56 and 299,588.83 is: 413,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,615.42 : 651,261.56 = 299,588.83 : x
  2. Step 2: Convert to fraction form
    471,615.42/651,261.56 = 299,588.83/x
  3. Step 3: Cross multiply
    471,615.42x = 651,261.56 × 299,588.83
  4. Step 4: Simplify right side
    471,615.42x = 195,110,688,784.38
  5. Step 5: Solve for x
    x = 195,110,688,784.38/471,615.42
  6. Step 6: Final answer
    x = 413,707.19

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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.