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Finding the Fourth Proportional to 568,097.96, 784,259.28 and 353,307.23

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Solution

The fourth proportional to 568,097.96, 784,259.28 and 353,307.23 is: 487,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,097.96 : 784,259.28 = 353,307.23 : x
  2. Step 2: Convert to fraction form
    568,097.96/784,259.28 = 353,307.23/x
  3. Step 3: Cross multiply
    568,097.96x = 784,259.28 × 353,307.23
  4. Step 4: Simplify right side
    568,097.96x = 277,084,473,818.59
  5. Step 5: Solve for x
    x = 277,084,473,818.59/568,097.96
  6. Step 6: Final answer
    x = 487,740.66

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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.