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Finding the Fourth Proportional to 503,520.19, 694,916.93 and 282,793.67

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Solution

The fourth proportional to 503,520.19, 694,916.93 and 282,793.67 is: 390,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,520.19 : 694,916.93 = 282,793.67 : x
  2. Step 2: Convert to fraction form
    503,520.19/694,916.93 = 282,793.67/x
  3. Step 3: Cross multiply
    503,520.19x = 694,916.93 × 282,793.67
  4. Step 4: Simplify right side
    503,520.19x = 196,518,108,979.83
  5. Step 5: Solve for x
    x = 196,518,108,979.83/503,520.19
  6. Step 6: Final answer
    x = 390,288.44

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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.