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Finding the Fourth Proportional to 922,329.10, 1,380,656.09 and 601,790.77

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Solution

The fourth proportional to 922,329.10, 1,380,656.09 and 601,790.77 is: 900,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,329.10 : 1,380,656.09 = 601,790.77 : x
  2. Step 2: Convert to fraction form
    922,329.10/1,380,656.09 = 601,790.77/x
  3. Step 3: Cross multiply
    922,329.10x = 1,380,656.09 × 601,790.77
  4. Step 4: Simplify right side
    922,329.10x = 830,866,092,479.87
  5. Step 5: Solve for x
    x = 830,866,092,479.87/922,329.10
  6. Step 6: Final answer
    x = 900,834.74

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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.