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Finding the Fourth Proportional to 1,523,486, 2,102,411 and 844,422.50

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Solution

The fourth proportional to 1,523,486, 2,102,411 and 844,422.50 is: 1,165,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,486 : 2,102,411 = 844,422.50 : x
  2. Step 2: Convert to fraction form
    1,523,486/2,102,411 = 844,422.50/x
  3. Step 3: Cross multiply
    1,523,486x = 2,102,411 × 844,422.50
  4. Step 4: Simplify right side
    1,523,486x = 1,775,323,152,647.50
  5. Step 5: Solve for x
    x = 1,775,323,152,647.50/1,523,486
  6. Step 6: Final answer
    x = 1,165,303.23

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Double scale
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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.