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Finding the Fourth Proportional to 719,633.24, 992,677.54 and 464,984.42

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Solution

The fourth proportional to 719,633.24, 992,677.54 and 464,984.42 is: 641,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,633.24 : 992,677.54 = 464,984.42 : x
  2. Step 2: Convert to fraction form
    719,633.24/992,677.54 = 464,984.42/x
  3. Step 3: Cross multiply
    719,633.24x = 992,677.54 × 464,984.42
  4. Step 4: Simplify right side
    719,633.24x = 461,579,590,183.93
  5. Step 5: Solve for x
    x = 461,579,590,183.93/719,633.24
  6. Step 6: Final answer
    x = 641,409.49

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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.