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Finding the Fourth Proportional to 806,792, 1,113,677.55 and 634,259.84

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Solution

The fourth proportional to 806,792, 1,113,677.55 and 634,259.84 is: 875,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,792 : 1,113,677.55 = 634,259.84 : x
  2. Step 2: Convert to fraction form
    806,792/1,113,677.55 = 634,259.84/x
  3. Step 3: Cross multiply
    806,792x = 1,113,677.55 × 634,259.84
  4. Step 4: Simplify right side
    806,792x = 706,360,944,674.59
  5. Step 5: Solve for x
    x = 706,360,944,674.59/806,792
  6. Step 6: Final answer
    x = 875,518.03

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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.