Home / 352,688.20-528,254.70-306,032.20

Finding the Fourth Proportional to 352,688.20, 528,254.70 and 306,032.20

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Solution

The fourth proportional to 352,688.20, 528,254.70 and 306,032.20 is: 458,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,688.20 : 528,254.70 = 306,032.20 : x
  2. Step 2: Convert to fraction form
    352,688.20/528,254.70 = 306,032.20/x
  3. Step 3: Cross multiply
    352,688.20x = 528,254.70 × 306,032.20
  4. Step 4: Simplify right side
    352,688.20x = 161,662,948,001.34
  5. Step 5: Solve for x
    x = 161,662,948,001.34/352,688.20
  6. Step 6: Final answer
    x = 458,373.57

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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.