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Finding the Fourth Proportional to 370,734.48, 556,179.48 and 160,402.32

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Solution

The fourth proportional to 370,734.48, 556,179.48 and 160,402.32 is: 240,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,734.48 : 556,179.48 = 160,402.32 : x
  2. Step 2: Convert to fraction form
    370,734.48/556,179.48 = 160,402.32/x
  3. Step 3: Cross multiply
    370,734.48x = 556,179.48 × 160,402.32
  4. Step 4: Simplify right side
    370,734.48x = 89,212,478,928.39
  5. Step 5: Solve for x
    x = 89,212,478,928.39/370,734.48
  6. Step 6: Final answer
    x = 240,637.12

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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.