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Finding the Fourth Proportional to 556,723.28, 768,275.56 and 302,073.84

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Solution

The fourth proportional to 556,723.28, 768,275.56 and 302,073.84 is: 416,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,723.28 : 768,275.56 = 302,073.84 : x
  2. Step 2: Convert to fraction form
    556,723.28/768,275.56 = 302,073.84/x
  3. Step 3: Cross multiply
    556,723.28x = 768,275.56 × 302,073.84
  4. Step 4: Simplify right side
    556,723.28x = 232,075,948,587.35
  5. Step 5: Solve for x
    x = 232,075,948,587.35/556,723.28
  6. Step 6: Final answer
    x = 416,860.51

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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.