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Finding the Fourth Proportional to 556,890.92, 768,509.28 and 302,242.10

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Solution

The fourth proportional to 556,890.92, 768,509.28 and 302,242.10 is: 417,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,890.92 : 768,509.28 = 302,242.10 : x
  2. Step 2: Convert to fraction form
    556,890.92/768,509.28 = 302,242.10/x
  3. Step 3: Cross multiply
    556,890.92x = 768,509.28 × 302,242.10
  4. Step 4: Simplify right side
    556,890.92x = 232,275,858,656.69
  5. Step 5: Solve for x
    x = 232,275,858,656.69/556,890.92
  6. Step 6: Final answer
    x = 417,094.00

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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.