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Finding the Fourth Proportional to 1,974,447.02, 2,961,670.52 and 478,539.02

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Solution

The fourth proportional to 1,974,447.02, 2,961,670.52 and 478,539.02 is: 717,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,447.02 : 2,961,670.52 = 478,539.02 : x
  2. Step 2: Convert to fraction form
    1,974,447.02/2,961,670.52 = 478,539.02/x
  3. Step 3: Cross multiply
    1,974,447.02x = 2,961,670.52 × 478,539.02
  4. Step 4: Simplify right side
    1,974,447.02x = 1,417,274,894,591.69
  5. Step 5: Solve for x
    x = 1,417,274,894,591.69/1,974,447.02
  6. Step 6: Final answer
    x = 717,808.52

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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.