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Finding the Fourth Proportional to 1,053,564, 1,453,455 and 617,758.90

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Solution

The fourth proportional to 1,053,564, 1,453,455 and 617,758.90 is: 852,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,564 : 1,453,455 = 617,758.90 : x
  2. Step 2: Convert to fraction form
    1,053,564/1,453,455 = 617,758.90/x
  3. Step 3: Cross multiply
    1,053,564x = 1,453,455 × 617,758.90
  4. Step 4: Simplify right side
    1,053,564x = 897,884,761,999.50
  5. Step 5: Solve for x
    x = 897,884,761,999.50/1,053,564
  6. Step 6: Final answer
    x = 852,235.61

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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.