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Finding the Fourth Proportional to 436,566.72, 602,453.16 and 255,385.92

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Solution

The fourth proportional to 436,566.72, 602,453.16 and 255,385.92 is: 352,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,566.72 : 602,453.16 = 255,385.92 : x
  2. Step 2: Convert to fraction form
    436,566.72/602,453.16 = 255,385.92/x
  3. Step 3: Cross multiply
    436,566.72x = 602,453.16 × 255,385.92
  4. Step 4: Simplify right side
    436,566.72x = 153,858,054,523.51
  5. Step 5: Solve for x
    x = 153,858,054,523.51/436,566.72
  6. Step 6: Final answer
    x = 352,427.36

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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.