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Finding the Fourth Proportional to 436,607.82, 602,298.25 and 255,201.23

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Solution

The fourth proportional to 436,607.82, 602,298.25 and 255,201.23 is: 352,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,607.82 : 602,298.25 = 255,201.23 : x
  2. Step 2: Convert to fraction form
    436,607.82/602,298.25 = 255,201.23/x
  3. Step 3: Cross multiply
    436,607.82x = 602,298.25 × 255,201.23
  4. Step 4: Simplify right side
    436,607.82x = 153,707,255,094.59
  5. Step 5: Solve for x
    x = 153,707,255,094.59/436,607.82
  6. Step 6: Final answer
    x = 352,048.79

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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.