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Finding the Fourth Proportional to 583,638.91, 805,796.47 and 366,145.71

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Solution

The fourth proportional to 583,638.91, 805,796.47 and 366,145.71 is: 505,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,638.91 : 805,796.47 = 366,145.71 : x
  2. Step 2: Convert to fraction form
    583,638.91/805,796.47 = 366,145.71/x
  3. Step 3: Cross multiply
    583,638.91x = 805,796.47 × 366,145.71
  4. Step 4: Simplify right side
    583,638.91x = 295,038,920,623.64
  5. Step 5: Solve for x
    x = 295,038,920,623.64/583,638.91
  6. Step 6: Final answer
    x = 505,516.19

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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.