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Finding the Fourth Proportional to 406,424.96, 560,886.56 and 245,277.44

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Solution

The fourth proportional to 406,424.96, 560,886.56 and 245,277.44 is: 338,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,424.96 : 560,886.56 = 245,277.44 : x
  2. Step 2: Convert to fraction form
    406,424.96/560,886.56 = 245,277.44/x
  3. Step 3: Cross multiply
    406,424.96x = 560,886.56 × 245,277.44
  4. Step 4: Simplify right side
    406,424.96x = 137,572,819,567.21
  5. Step 5: Solve for x
    x = 137,572,819,567.21/406,424.96
  6. Step 6: Final answer
    x = 338,495.01

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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.