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Finding the Fourth Proportional to 607,917.56, 839,030.40 and 353,416.37

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Solution

The fourth proportional to 607,917.56, 839,030.40 and 353,416.37 is: 487,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,917.56 : 839,030.40 = 353,416.37 : x
  2. Step 2: Convert to fraction form
    607,917.56/839,030.40 = 353,416.37/x
  3. Step 3: Cross multiply
    607,917.56x = 839,030.40 × 353,416.37
  4. Step 4: Simplify right side
    607,917.56x = 296,527,074,092.50
  5. Step 5: Solve for x
    x = 296,527,074,092.50/607,917.56
  6. Step 6: Final answer
    x = 487,775.15

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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.