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Finding the Fourth Proportional to 652,697.72, 900,738.35 and 366,238.98

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Solution

The fourth proportional to 652,697.72, 900,738.35 and 366,238.98 is: 505,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,697.72 : 900,738.35 = 366,238.98 : x
  2. Step 2: Convert to fraction form
    652,697.72/900,738.35 = 366,238.98/x
  3. Step 3: Cross multiply
    652,697.72x = 900,738.35 × 366,238.98
  4. Step 4: Simplify right side
    652,697.72x = 329,885,492,719.69
  5. Step 5: Solve for x
    x = 329,885,492,719.69/652,697.72
  6. Step 6: Final answer
    x = 505,418.49

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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.