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Finding the Fourth Proportional to 555,876.80, 833,200.80 and 306,737.60

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Solution

The fourth proportional to 555,876.80, 833,200.80 and 306,737.60 is: 459,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,876.80 : 833,200.80 = 306,737.60 : x
  2. Step 2: Convert to fraction form
    555,876.80/833,200.80 = 306,737.60/x
  3. Step 3: Cross multiply
    555,876.80x = 833,200.80 × 306,737.60
  4. Step 4: Simplify right side
    555,876.80x = 255,574,013,710.08
  5. Step 5: Solve for x
    x = 255,574,013,710.08/555,876.80
  6. Step 6: Final answer
    x = 459,767.37

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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.