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Finding the Fourth Proportional to 556,938.69, 768,554.83 and 302,284.41

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Solution

The fourth proportional to 556,938.69, 768,554.83 and 302,284.41 is: 417,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,938.69 : 768,554.83 = 302,284.41 : x
  2. Step 2: Convert to fraction form
    556,938.69/768,554.83 = 302,284.41/x
  3. Step 3: Cross multiply
    556,938.69x = 768,554.83 × 302,284.41
  4. Step 4: Simplify right side
    556,938.69x = 232,322,143,339.20
  5. Step 5: Solve for x
    x = 232,322,143,339.20/556,938.69
  6. Step 6: Final answer
    x = 417,141.33

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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.