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Finding the Fourth Proportional to 569,307.69, 785,643.17 and 324,292.41

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Solution

The fourth proportional to 569,307.69, 785,643.17 and 324,292.41 is: 447,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,307.69 : 785,643.17 = 324,292.41 : x
  2. Step 2: Convert to fraction form
    569,307.69/785,643.17 = 324,292.41/x
  3. Step 3: Cross multiply
    569,307.69x = 785,643.17 × 324,292.41
  4. Step 4: Simplify right side
    569,307.69x = 254,778,115,377.88
  5. Step 5: Solve for x
    x = 254,778,115,377.88/569,307.69
  6. Step 6: Final answer
    x = 447,522.70

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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.