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Finding the Fourth Proportional to 592,683.90, 817,895.52 and 338,039.34

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Solution

The fourth proportional to 592,683.90, 817,895.52 and 338,039.34 is: 466,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,683.90 : 817,895.52 = 338,039.34 : x
  2. Step 2: Convert to fraction form
    592,683.90/817,895.52 = 338,039.34/x
  3. Step 3: Cross multiply
    592,683.90x = 817,895.52 × 338,039.34
  4. Step 4: Simplify right side
    592,683.90x = 276,480,861,769.76
  5. Step 5: Solve for x
    x = 276,480,861,769.76/592,683.90
  6. Step 6: Final answer
    x = 466,489.58

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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.