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Finding the Fourth Proportional to 436,544.97, 602,423.15 and 255,364.17

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Solution

The fourth proportional to 436,544.97, 602,423.15 and 255,364.17 is: 352,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,544.97 : 602,423.15 = 255,364.17 : x
  2. Step 2: Convert to fraction form
    436,544.97/602,423.15 = 255,364.17/x
  3. Step 3: Cross multiply
    436,544.97x = 602,423.15 × 255,364.17
  4. Step 4: Simplify right side
    436,544.97x = 153,837,286,411.72
  5. Step 5: Solve for x
    x = 153,837,286,411.72/436,544.97
  6. Step 6: Final answer
    x = 352,397.34

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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.