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Finding the Fourth Proportional to 984,773.63, 1,358,998 and 555,053.76

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Solution

The fourth proportional to 984,773.63, 1,358,998 and 555,053.76 is: 765,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,773.63 : 1,358,998 = 555,053.76 : x
  2. Step 2: Convert to fraction form
    984,773.63/1,358,998 = 555,053.76/x
  3. Step 3: Cross multiply
    984,773.63x = 1,358,998 × 555,053.76
  4. Step 4: Simplify right side
    984,773.63x = 754,316,949,732.48
  5. Step 5: Solve for x
    x = 754,316,949,732.48/984,773.63
  6. Step 6: Final answer
    x = 765,980.05

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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.