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Finding the Fourth Proportional to 434,855.76, 599,545.44 and 281,623.20

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Solution

The fourth proportional to 434,855.76, 599,545.44 and 281,623.20 is: 388,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,855.76 : 599,545.44 = 281,623.20 : x
  2. Step 2: Convert to fraction form
    434,855.76/599,545.44 = 281,623.20/x
  3. Step 3: Cross multiply
    434,855.76x = 599,545.44 × 281,623.20
  4. Step 4: Simplify right side
    434,855.76x = 168,845,905,358.21
  5. Step 5: Solve for x
    x = 168,845,905,358.21/434,855.76
  6. Step 6: Final answer
    x = 388,280.25

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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.