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Finding the Fourth Proportional to 607,478.79, 838,316.73 and 335,564.22

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Solution

The fourth proportional to 607,478.79, 838,316.73 and 335,564.22 is: 463,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,478.79 : 838,316.73 = 335,564.22 : x
  2. Step 2: Convert to fraction form
    607,478.79/838,316.73 = 335,564.22/x
  3. Step 3: Cross multiply
    607,478.79x = 838,316.73 × 335,564.22
  4. Step 4: Simplify right side
    607,478.79x = 281,309,099,615.40
  5. Step 5: Solve for x
    x = 281,309,099,615.40/607,478.79
  6. Step 6: Final answer
    x = 463,076.41

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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.