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Finding the Fourth Proportional to 531,168.07, 733,001.91 and 289,452.32

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Solution

The fourth proportional to 531,168.07, 733,001.91 and 289,452.32 is: 399,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,168.07 : 733,001.91 = 289,452.32 : x
  2. Step 2: Convert to fraction form
    531,168.07/733,001.91 = 289,452.32/x
  3. Step 3: Cross multiply
    531,168.07x = 733,001.91 × 289,452.32
  4. Step 4: Simplify right side
    531,168.07x = 212,169,103,413.93
  5. Step 5: Solve for x
    x = 212,169,103,413.93/531,168.07
  6. Step 6: Final answer
    x = 399,438.74

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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.