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Finding the Fourth Proportional to 486,975.04, 672,213.13 and 435,897.65

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Solution

The fourth proportional to 486,975.04, 672,213.13 and 435,897.65 is: 601,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,975.04 : 672,213.13 = 435,897.65 : x
  2. Step 2: Convert to fraction form
    486,975.04/672,213.13 = 435,897.65/x
  3. Step 3: Cross multiply
    486,975.04x = 672,213.13 × 435,897.65
  4. Step 4: Simplify right side
    486,975.04x = 293,016,124,256.93
  5. Step 5: Solve for x
    x = 293,016,124,256.93/486,975.04
  6. Step 6: Final answer
    x = 601,706.66

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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.