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Finding the Fourth Proportional to 621,909.07, 932,860.47 and 242,868.29

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Solution

The fourth proportional to 621,909.07, 932,860.47 and 242,868.29 is: 364,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,909.07 : 932,860.47 = 242,868.29 : x
  2. Step 2: Convert to fraction form
    621,909.07/932,860.47 = 242,868.29/x
  3. Step 3: Cross multiply
    621,909.07x = 932,860.47 × 242,868.29
  4. Step 4: Simplify right side
    621,909.07x = 226,562,227,157.50
  5. Step 5: Solve for x
    x = 226,562,227,157.50/621,909.07
  6. Step 6: Final answer
    x = 364,301.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.