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Finding the Fourth Proportional to 707,856.04, 977,054.76 and 481,632.76

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Solution

The fourth proportional to 707,856.04, 977,054.76 and 481,632.76 is: 664,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,856.04 : 977,054.76 = 481,632.76 : x
  2. Step 2: Convert to fraction form
    707,856.04/977,054.76 = 481,632.76/x
  3. Step 3: Cross multiply
    707,856.04x = 977,054.76 × 481,632.76
  4. Step 4: Simplify right side
    707,856.04x = 470,581,580,729.94
  5. Step 5: Solve for x
    x = 470,581,580,729.94/707,856.04
  6. Step 6: Final answer
    x = 664,798.43

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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.