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Finding the Fourth Proportional to 604,699.54, 834,519.84 and 346,619.46

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Solution

The fourth proportional to 604,699.54, 834,519.84 and 346,619.46 is: 478,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,699.54 : 834,519.84 = 346,619.46 : x
  2. Step 2: Convert to fraction form
    604,699.54/834,519.84 = 346,619.46/x
  3. Step 3: Cross multiply
    604,699.54x = 834,519.84 × 346,619.46
  4. Step 4: Simplify right side
    604,699.54x = 289,260,816,300.09
  5. Step 5: Solve for x
    x = 289,260,816,300.09/604,699.54
  6. Step 6: Final answer
    x = 478,354.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.