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Finding the Fourth Proportional to 346,804.94, 520,207.40 and 97,486.94

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Solution

The fourth proportional to 346,804.94, 520,207.40 and 97,486.94 is: 146,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,804.94 : 520,207.40 = 97,486.94 : x
  2. Step 2: Convert to fraction form
    346,804.94/520,207.40 = 97,486.94/x
  3. Step 3: Cross multiply
    346,804.94x = 520,207.40 × 97,486.94
  4. Step 4: Simplify right side
    346,804.94x = 50,713,427,591.36
  5. Step 5: Solve for x
    x = 50,713,427,591.36/346,804.94
  6. Step 6: Final answer
    x = 146,230.41

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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.