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Finding the Fourth Proportional to 346,564.90, 519,847.35 and 97,246.90

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Solution

The fourth proportional to 346,564.90, 519,847.35 and 97,246.90 is: 145,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,564.90 : 519,847.35 = 97,246.90 : x
  2. Step 2: Convert to fraction form
    346,564.90/519,847.35 = 97,246.90/x
  3. Step 3: Cross multiply
    346,564.90x = 519,847.35 × 97,246.90
  4. Step 4: Simplify right side
    346,564.90x = 50,553,543,260.72
  5. Step 5: Solve for x
    x = 50,553,543,260.72/346,564.90
  6. Step 6: Final answer
    x = 145,870.35

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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.