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Finding the Fourth Proportional to 707,855.04, 977,053.38 and 481,631.76

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Solution

The fourth proportional to 707,855.04, 977,053.38 and 481,631.76 is: 664,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,855.04 : 977,053.38 = 481,631.76 : x
  2. Step 2: Convert to fraction form
    707,855.04/977,053.38 = 481,631.76/x
  3. Step 3: Cross multiply
    707,855.04x = 977,053.38 × 481,631.76
  4. Step 4: Simplify right side
    707,855.04x = 470,579,939,023.35
  5. Step 5: Solve for x
    x = 470,579,939,023.35/707,855.04
  6. Step 6: Final answer
    x = 664,797.05

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1.5x scale

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.