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Finding the Fourth Proportional to 556,936.01, 768,573.17 and 302,287.20

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Solution

The fourth proportional to 556,936.01, 768,573.17 and 302,287.20 is: 417,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,936.01 : 768,573.17 = 302,287.20 : x
  2. Step 2: Convert to fraction form
    556,936.01/768,573.17 = 302,287.20/x
  3. Step 3: Cross multiply
    556,936.01x = 768,573.17 × 302,287.20
  4. Step 4: Simplify right side
    556,936.01x = 232,329,831,554.42
  5. Step 5: Solve for x
    x = 232,329,831,554.42/556,936.01
  6. Step 6: Final answer
    x = 417,157.14

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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.