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Finding the Fourth Proportional to 556,655.02, 768,177.03 and 302,004.34

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Solution

The fourth proportional to 556,655.02, 768,177.03 and 302,004.34 is: 416,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,655.02 : 768,177.03 = 302,004.34 : x
  2. Step 2: Convert to fraction form
    556,655.02/768,177.03 = 302,004.34/x
  3. Step 3: Cross multiply
    556,655.02x = 768,177.03 × 302,004.34
  4. Step 4: Simplify right side
    556,655.02x = 231,992,796,948.31
  5. Step 5: Solve for x
    x = 231,992,796,948.31/556,655.02
  6. Step 6: Final answer
    x = 416,762.25

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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.