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Finding the Fourth Proportional to 352,064.60, 528,096.90 and 202,765.40

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Solution

The fourth proportional to 352,064.60, 528,096.90 and 202,765.40 is: 304,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,064.60 : 528,096.90 = 202,765.40 : x
  2. Step 2: Convert to fraction form
    352,064.60/528,096.90 = 202,765.40/x
  3. Step 3: Cross multiply
    352,064.60x = 528,096.90 × 202,765.40
  4. Step 4: Simplify right side
    352,064.60x = 107,079,779,167.26
  5. Step 5: Solve for x
    x = 107,079,779,167.26/352,064.60
  6. Step 6: Final answer
    x = 304,148.10

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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.