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Finding the Fourth Proportional to 589,303.36, 813,200.38 and 347,530.52

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Solution

The fourth proportional to 589,303.36, 813,200.38 and 347,530.52 is: 479,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,303.36 : 813,200.38 = 347,530.52 : x
  2. Step 2: Convert to fraction form
    589,303.36/813,200.38 = 347,530.52/x
  3. Step 3: Cross multiply
    589,303.36x = 813,200.38 × 347,530.52
  4. Step 4: Simplify right side
    589,303.36x = 282,611,950,925.60
  5. Step 5: Solve for x
    x = 282,611,950,925.60/589,303.36
  6. Step 6: Final answer
    x = 479,569.56

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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.