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Finding the Fourth Proportional to 1,657,785, 2,486,677.50 and 535,854

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Solution

The fourth proportional to 1,657,785, 2,486,677.50 and 535,854 is: 803,781

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,785 : 2,486,677.50 = 535,854 : x
  2. Step 2: Convert to fraction form
    1,657,785/2,486,677.50 = 535,854/x
  3. Step 3: Cross multiply
    1,657,785x = 2,486,677.50 × 535,854
  4. Step 4: Simplify right side
    1,657,785x = 1,332,496,085,085
  5. Step 5: Solve for x
    x = 1,332,496,085,085/1,657,785
  6. Step 6: Final answer
    x = 803,781

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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.