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Finding the Fourth Proportional to 508,354.34, 701,613.09 and 282,072.74

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Solution

The fourth proportional to 508,354.34, 701,613.09 and 282,072.74 is: 389,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,354.34 : 701,613.09 = 282,072.74 : x
  2. Step 2: Convert to fraction form
    508,354.34/701,613.09 = 282,072.74/x
  3. Step 3: Cross multiply
    508,354.34x = 701,613.09 × 282,072.74
  4. Step 4: Simplify right side
    508,354.34x = 197,905,926,716.17
  5. Step 5: Solve for x
    x = 197,905,926,716.17/508,354.34
  6. Step 6: Final answer
    x = 389,307.05

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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.