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Finding the Fourth Proportional to 601,744.56, 830,298.60 and 386,835.36

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Solution

The fourth proportional to 601,744.56, 830,298.60 and 386,835.36 is: 533,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,744.56 : 830,298.60 = 386,835.36 : x
  2. Step 2: Convert to fraction form
    601,744.56/830,298.60 = 386,835.36/x
  3. Step 3: Cross multiply
    601,744.56x = 830,298.60 × 386,835.36
  4. Step 4: Simplify right side
    601,744.56x = 321,188,857,838.50
  5. Step 5: Solve for x
    x = 321,188,857,838.50/601,744.56
  6. Step 6: Final answer
    x = 533,762.79

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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.