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Finding the Fourth Proportional to 622,367.40, 931,995.90 and 497,951.40

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Solution

The fourth proportional to 622,367.40, 931,995.90 and 497,951.40 is: 745,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,367.40 : 931,995.90 = 497,951.40 : x
  2. Step 2: Convert to fraction form
    622,367.40/931,995.90 = 497,951.40/x
  3. Step 3: Cross multiply
    622,367.40x = 931,995.90 × 497,951.40
  4. Step 4: Simplify right side
    622,367.40x = 464,088,663,199.26
  5. Step 5: Solve for x
    x = 464,088,663,199.26/622,367.40
  6. Step 6: Final answer
    x = 745,682.80

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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.