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Finding the Fourth Proportional to 669,448.64, 922,777.44 and 656,177.60

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Solution

The fourth proportional to 669,448.64, 922,777.44 and 656,177.60 is: 904,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,448.64 : 922,777.44 = 656,177.60 : x
  2. Step 2: Convert to fraction form
    669,448.64/922,777.44 = 656,177.60/x
  3. Step 3: Cross multiply
    669,448.64x = 922,777.44 × 656,177.60
  4. Step 4: Simplify right side
    669,448.64x = 605,505,885,913.34
  5. Step 5: Solve for x
    x = 605,505,885,913.34/669,448.64
  6. Step 6: Final answer
    x = 904,484.45

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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.