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Finding the Fourth Proportional to 750,669, 1,035,930.52 and 448,863

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Solution

The fourth proportional to 750,669, 1,035,930.52 and 448,863 is: 619,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,669 : 1,035,930.52 = 448,863 : x
  2. Step 2: Convert to fraction form
    750,669/1,035,930.52 = 448,863/x
  3. Step 3: Cross multiply
    750,669x = 1,035,930.52 × 448,863
  4. Step 4: Simplify right side
    750,669x = 464,990,880,998.76
  5. Step 5: Solve for x
    x = 464,990,880,998.76/750,669
  6. Step 6: Final answer
    x = 619,435.31

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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.