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Finding the Fourth Proportional to 571,228.10, 851,735.21 and 555,533.98

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Solution

The fourth proportional to 571,228.10, 851,735.21 and 555,533.98 is: 828,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,228.10 : 851,735.21 = 555,533.98 : x
  2. Step 2: Convert to fraction form
    571,228.10/851,735.21 = 555,533.98/x
  3. Step 3: Cross multiply
    571,228.10x = 851,735.21 × 555,533.98
  4. Step 4: Simplify right side
    571,228.10x = 473,167,852,506.27
  5. Step 5: Solve for x
    x = 473,167,852,506.27/571,228.10
  6. Step 6: Final answer
    x = 828,334.35

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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.