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Finding the Fourth Proportional to 346,505.04, 519,775.92 and 97,206.48

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Solution

The fourth proportional to 346,505.04, 519,775.92 and 97,206.48 is: 145,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,505.04 : 519,775.92 = 97,206.48 : x
  2. Step 2: Convert to fraction form
    346,505.04/519,775.92 = 97,206.48/x
  3. Step 3: Cross multiply
    346,505.04x = 519,775.92 × 97,206.48
  4. Step 4: Simplify right side
    346,505.04x = 50,525,587,571.96
  5. Step 5: Solve for x
    x = 50,525,587,571.96/346,505.04
  6. Step 6: Final answer
    x = 145,814.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.