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Finding the Fourth Proportional to 666,023.13, 919,196.10 and 436,773.33

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Solution

The fourth proportional to 666,023.13, 919,196.10 and 436,773.33 is: 602,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,023.13 : 919,196.10 = 436,773.33 : x
  2. Step 2: Convert to fraction form
    666,023.13/919,196.10 = 436,773.33/x
  3. Step 3: Cross multiply
    666,023.13x = 919,196.10 × 436,773.33
  4. Step 4: Simplify right side
    666,023.13x = 401,480,341,520.01
  5. Step 5: Solve for x
    x = 401,480,341,520.01/666,023.13
  6. Step 6: Final answer
    x = 602,802.40

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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.