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Finding the Fourth Proportional to 556,797.16, 768,382.23 and 302,148.42

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Solution

The fourth proportional to 556,797.16, 768,382.23 and 302,148.42 is: 416,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,797.16 : 768,382.23 = 302,148.42 : x
  2. Step 2: Convert to fraction form
    556,797.16/768,382.23 = 302,148.42/x
  3. Step 3: Cross multiply
    556,797.16x = 768,382.23 × 302,148.42
  4. Step 4: Simplify right side
    556,797.16x = 232,165,476,750.58
  5. Step 5: Solve for x
    x = 232,165,476,750.58/556,797.16
  6. Step 6: Final answer
    x = 416,965.99

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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.