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Finding the Fourth Proportional to 447,776.11, 617,731.12 and 302,535.01

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Solution

The fourth proportional to 447,776.11, 617,731.12 and 302,535.01 is: 417,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,776.11 : 617,731.12 = 302,535.01 : x
  2. Step 2: Convert to fraction form
    447,776.11/617,731.12 = 302,535.01/x
  3. Step 3: Cross multiply
    447,776.11x = 617,731.12 × 302,535.01
  4. Step 4: Simplify right side
    447,776.11x = 186,885,290,566.51
  5. Step 5: Solve for x
    x = 186,885,290,566.51/447,776.11
  6. Step 6: Final answer
    x = 417,363.25

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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.