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Finding the Fourth Proportional to 436,451.08, 602,212.19 and 255,127.92

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Solution

The fourth proportional to 436,451.08, 602,212.19 and 255,127.92 is: 352,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,451.08 : 602,212.19 = 255,127.92 : x
  2. Step 2: Convert to fraction form
    436,451.08/602,212.19 = 255,127.92/x
  3. Step 3: Cross multiply
    436,451.08x = 602,212.19 × 255,127.92
  4. Step 4: Simplify right side
    436,451.08x = 153,641,144,071.17
  5. Step 5: Solve for x
    x = 153,641,144,071.17/436,451.08
  6. Step 6: Final answer
    x = 352,023.75

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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.