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Finding the Fourth Proportional to 683,656.65, 943,469.51 and 429,148.17

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Solution

The fourth proportional to 683,656.65, 943,469.51 and 429,148.17 is: 592,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,656.65 : 943,469.51 = 429,148.17 : x
  2. Step 2: Convert to fraction form
    683,656.65/943,469.51 = 429,148.17/x
  3. Step 3: Cross multiply
    683,656.65x = 943,469.51 × 429,148.17
  4. Step 4: Simplify right side
    683,656.65x = 404,888,211,521.56
  5. Step 5: Solve for x
    x = 404,888,211,521.56/683,656.65
  6. Step 6: Final answer
    x = 592,239.12

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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.