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Finding the Fourth Proportional to 531,613.72, 733,639.04 and 302,134.65

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Solution

The fourth proportional to 531,613.72, 733,639.04 and 302,134.65 is: 416,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,613.72 : 733,639.04 = 302,134.65 : x
  2. Step 2: Convert to fraction form
    531,613.72/733,639.04 = 302,134.65/x
  3. Step 3: Cross multiply
    531,613.72x = 733,639.04 × 302,134.65
  4. Step 4: Simplify right side
    531,613.72x = 221,657,774,576.74
  5. Step 5: Solve for x
    x = 221,657,774,576.74/531,613.72
  6. Step 6: Final answer
    x = 416,952.70

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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.