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Finding the Fourth Proportional to 365,300.16, 548,004.93 and 128,601.15

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Solution

The fourth proportional to 365,300.16, 548,004.93 and 128,601.15 is: 192,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,300.16 : 548,004.93 = 128,601.15 : x
  2. Step 2: Convert to fraction form
    365,300.16/548,004.93 = 128,601.15/x
  3. Step 3: Cross multiply
    365,300.16x = 548,004.93 × 128,601.15
  4. Step 4: Simplify right side
    365,300.16x = 70,474,064,203.67
  5. Step 5: Solve for x
    x = 70,474,064,203.67/365,300.16
  6. Step 6: Final answer
    x = 192,920.98

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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.