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Finding the Fourth Proportional to 589,302.36, 813,199 and 347,529.52

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Solution

The fourth proportional to 589,302.36, 813,199 and 347,529.52 is: 479,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,302.36 : 813,199 = 347,529.52 : x
  2. Step 2: Convert to fraction form
    589,302.36/813,199 = 347,529.52/x
  3. Step 3: Cross multiply
    589,302.36x = 813,199 × 347,529.52
  4. Step 4: Simplify right side
    589,302.36x = 282,610,658,134.48
  5. Step 5: Solve for x
    x = 282,610,658,134.48/589,302.36
  6. Step 6: Final answer
    x = 479,568.18

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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.