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Finding the Fourth Proportional to 719,632.86, 992,677.04 and 464,984.04

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Solution

The fourth proportional to 719,632.86, 992,677.04 and 464,984.04 is: 641,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,632.86 : 992,677.04 = 464,984.04 : x
  2. Step 2: Convert to fraction form
    719,632.86/992,677.04 = 464,984.04/x
  3. Step 3: Cross multiply
    719,632.86x = 992,677.04 × 464,984.04
  4. Step 4: Simplify right side
    719,632.86x = 461,578,980,474.44
  5. Step 5: Solve for x
    x = 461,578,980,474.44/719,632.86
  6. Step 6: Final answer
    x = 641,408.98

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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.