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Finding the Fourth Proportional to 346,448.80, 519,600.30 and 146,775.70

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Solution

The fourth proportional to 346,448.80, 519,600.30 and 146,775.70 is: 220,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,448.80 : 519,600.30 = 146,775.70 : x
  2. Step 2: Convert to fraction form
    346,448.80/519,600.30 = 146,775.70/x
  3. Step 3: Cross multiply
    346,448.80x = 519,600.30 × 146,775.70
  4. Step 4: Simplify right side
    346,448.80x = 76,264,697,752.71
  5. Step 5: Solve for x
    x = 76,264,697,752.71/346,448.80
  6. Step 6: Final answer
    x = 220,132.67

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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.