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Finding the Fourth Proportional to 569,903.82, 786,398.91 and 328,265.01

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Solution

The fourth proportional to 569,903.82, 786,398.91 and 328,265.01 is: 452,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,903.82 : 786,398.91 = 328,265.01 : x
  2. Step 2: Convert to fraction form
    569,903.82/786,398.91 = 328,265.01/x
  3. Step 3: Cross multiply
    569,903.82x = 786,398.91 × 328,265.01
  4. Step 4: Simplify right side
    569,903.82x = 258,147,246,055.14
  5. Step 5: Solve for x
    x = 258,147,246,055.14/569,903.82
  6. Step 6: Final answer
    x = 452,966.34

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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.