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Finding the Fourth Proportional to 531,681.63, 733,764.32 and 302,310.89

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Solution

The fourth proportional to 531,681.63, 733,764.32 and 302,310.89 is: 417,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,681.63 : 733,764.32 = 302,310.89 : x
  2. Step 2: Convert to fraction form
    531,681.63/733,764.32 = 302,310.89/x
  3. Step 3: Cross multiply
    531,681.63x = 733,764.32 × 302,310.89
  4. Step 4: Simplify right side
    531,681.63x = 221,824,944,629.45
  5. Step 5: Solve for x
    x = 221,824,944,629.45/531,681.63
  6. Step 6: Final answer
    x = 417,213.86

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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.