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Finding the Fourth Proportional to 581,377.95, 871,070.40 and 461,803.73

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Solution

The fourth proportional to 581,377.95, 871,070.40 and 461,803.73 is: 691,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,377.95 : 871,070.40 = 461,803.73 : x
  2. Step 2: Convert to fraction form
    581,377.95/871,070.40 = 461,803.73/x
  3. Step 3: Cross multiply
    581,377.95x = 871,070.40 × 461,803.73
  4. Step 4: Simplify right side
    581,377.95x = 402,263,555,457.24
  5. Step 5: Solve for x
    x = 402,263,555,457.24/581,377.95
  6. Step 6: Final answer
    x = 691,914.02

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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.