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Finding the Fourth Proportional to 366,937.85, 506,141.16 and 265,112.93

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Solution

The fourth proportional to 366,937.85, 506,141.16 and 265,112.93 is: 365,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,937.85 : 506,141.16 = 265,112.93 : x
  2. Step 2: Convert to fraction form
    366,937.85/506,141.16 = 265,112.93/x
  3. Step 3: Cross multiply
    366,937.85x = 506,141.16 × 265,112.93
  4. Step 4: Simplify right side
    366,937.85x = 134,184,565,921.20
  5. Step 5: Solve for x
    x = 134,184,565,921.20/366,937.85
  6. Step 6: Final answer
    x = 365,687.45

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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.