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Finding the Fourth Proportional to 571,235.23, 851,745.84 and 555,541.11

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Solution

The fourth proportional to 571,235.23, 851,745.84 and 555,541.11 is: 828,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,235.23 : 851,745.84 = 555,541.11 : x
  2. Step 2: Convert to fraction form
    571,235.23/851,745.84 = 555,541.11/x
  3. Step 3: Cross multiply
    571,235.23x = 851,745.84 × 555,541.11
  4. Step 4: Simplify right side
    571,235.23x = 473,179,829,391.48
  5. Step 5: Solve for x
    x = 473,179,829,391.48/571,235.23
  6. Step 6: Final answer
    x = 828,344.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.