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Finding the Fourth Proportional to 571,536.92, 788,561.34 and 450,301.88

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Solution

The fourth proportional to 571,536.92, 788,561.34 and 450,301.88 is: 621,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,536.92 : 788,561.34 = 450,301.88 : x
  2. Step 2: Convert to fraction form
    571,536.92/788,561.34 = 450,301.88/x
  3. Step 3: Cross multiply
    571,536.92x = 788,561.34 × 450,301.88
  4. Step 4: Simplify right side
    571,536.92x = 355,090,653,897.32
  5. Step 5: Solve for x
    x = 355,090,653,897.32/571,536.92
  6. Step 6: Final answer
    x = 621,290.84

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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.