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Finding the Fourth Proportional to 370,937.70, 556,552.35 and 146,259.90

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Solution

The fourth proportional to 370,937.70, 556,552.35 and 146,259.90 is: 219,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,937.70 : 556,552.35 = 146,259.90 : x
  2. Step 2: Convert to fraction form
    370,937.70/556,552.35 = 146,259.90/x
  3. Step 3: Cross multiply
    370,937.70x = 556,552.35 × 146,259.90
  4. Step 4: Simplify right side
    370,937.70x = 81,401,291,055.77
  5. Step 5: Solve for x
    x = 81,401,291,055.77/370,937.70
  6. Step 6: Final answer
    x = 219,447.34

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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.