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Finding the Fourth Proportional to 544,981.12, 817,506.24 and 171,018.88

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Solution

The fourth proportional to 544,981.12, 817,506.24 and 171,018.88 is: 256,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,981.12 : 817,506.24 = 171,018.88 : x
  2. Step 2: Convert to fraction form
    544,981.12/817,506.24 = 171,018.88/x
  3. Step 3: Cross multiply
    544,981.12x = 817,506.24 × 171,018.88
  4. Step 4: Simplify right side
    544,981.12x = 139,809,001,557.81
  5. Step 5: Solve for x
    x = 139,809,001,557.81/544,981.12
  6. Step 6: Final answer
    x = 256,539.17

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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.