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Finding the Fourth Proportional to 544,774.44, 817,158.94 and 139,966.20

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Solution

The fourth proportional to 544,774.44, 817,158.94 and 139,966.20 is: 209,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,774.44 : 817,158.94 = 139,966.20 : x
  2. Step 2: Convert to fraction form
    544,774.44/817,158.94 = 139,966.20/x
  3. Step 3: Cross multiply
    544,774.44x = 817,158.94 × 139,966.20
  4. Step 4: Simplify right side
    544,774.44x = 114,374,631,627.83
  5. Step 5: Solve for x
    x = 114,374,631,627.83/544,774.44
  6. Step 6: Final answer
    x = 209,948.60

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1.5x scale

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.