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Finding the Fourth Proportional to 233,148.60, 349,722.90 and 207,779.40

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Solution

The fourth proportional to 233,148.60, 349,722.90 and 207,779.40 is: 311,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,148.60 : 349,722.90 = 207,779.40 : x
  2. Step 2: Convert to fraction form
    233,148.60/349,722.90 = 207,779.40/x
  3. Step 3: Cross multiply
    233,148.60x = 349,722.90 × 207,779.40
  4. Step 4: Simplify right side
    233,148.60x = 72,665,214,328.26
  5. Step 5: Solve for x
    x = 72,665,214,328.26/233,148.60
  6. Step 6: Final answer
    x = 311,669.10

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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.