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Finding the Fourth Proportional to 571,227.79, 851,734.75 and 555,533.67

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Solution

The fourth proportional to 571,227.79, 851,734.75 and 555,533.67 is: 828,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,227.79 : 851,734.75 = 555,533.67 : x
  2. Step 2: Convert to fraction form
    571,227.79/851,734.75 = 555,533.67/x
  3. Step 3: Cross multiply
    571,227.79x = 851,734.75 × 555,533.67
  4. Step 4: Simplify right side
    571,227.79x = 473,167,331,534.03
  5. Step 5: Solve for x
    x = 473,167,331,534.03/571,227.79
  6. Step 6: Final answer
    x = 828,333.89

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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.