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Finding the Fourth Proportional to 484,281, 668,127.30 and 302,924.04

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Solution

The fourth proportional to 484,281, 668,127.30 and 302,924.04 is: 417,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,281 : 668,127.30 = 302,924.04 : x
  2. Step 2: Convert to fraction form
    484,281/668,127.30 = 302,924.04/x
  3. Step 3: Cross multiply
    484,281x = 668,127.30 × 302,924.04
  4. Step 4: Simplify right side
    484,281x = 202,391,820,950.29
  5. Step 5: Solve for x
    x = 202,391,820,950.29/484,281
  6. Step 6: Final answer
    x = 417,922.28

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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.