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Finding the Fourth Proportional to 922,344.20, 1,272,641.46 and 559,958.84

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Solution

The fourth proportional to 922,344.20, 1,272,641.46 and 559,958.84 is: 772,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,344.20 : 1,272,641.46 = 559,958.84 : x
  2. Step 2: Convert to fraction form
    922,344.20/1,272,641.46 = 559,958.84/x
  3. Step 3: Cross multiply
    922,344.20x = 1,272,641.46 × 559,958.84
  4. Step 4: Simplify right side
    922,344.20x = 712,626,835,677.51
  5. Step 5: Solve for x
    x = 712,626,835,677.51/922,344.20
  6. Step 6: Final answer
    x = 772,625.70

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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.