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Finding the Fourth Proportional to 583,880.12, 805,810.38 and 366,123.48

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Solution

The fourth proportional to 583,880.12, 805,810.38 and 366,123.48 is: 505,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,880.12 : 805,810.38 = 366,123.48 : x
  2. Step 2: Convert to fraction form
    583,880.12/805,810.38 = 366,123.48/x
  3. Step 3: Cross multiply
    583,880.12x = 805,810.38 × 366,123.48
  4. Step 4: Simplify right side
    583,880.12x = 295,026,100,545.72
  5. Step 5: Solve for x
    x = 295,026,100,545.72/583,880.12
  6. Step 6: Final answer
    x = 505,285.40

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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.