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Finding the Fourth Proportional to 528,083.30, 792,124.95 and 329,017.70

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Solution

The fourth proportional to 528,083.30, 792,124.95 and 329,017.70 is: 493,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,083.30 : 792,124.95 = 329,017.70 : x
  2. Step 2: Convert to fraction form
    528,083.30/792,124.95 = 329,017.70/x
  3. Step 3: Cross multiply
    528,083.30x = 792,124.95 × 329,017.70
  4. Step 4: Simplify right side
    528,083.30x = 260,623,129,161.62
  5. Step 5: Solve for x
    x = 260,623,129,161.62/528,083.30
  6. Step 6: Final answer
    x = 493,526.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.