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Finding the Fourth Proportional to 570,969.54, 856,444.59 and 171,613.62

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Solution

The fourth proportional to 570,969.54, 856,444.59 and 171,613.62 is: 257,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,969.54 : 856,444.59 = 171,613.62 : x
  2. Step 2: Convert to fraction form
    570,969.54/856,444.59 = 171,613.62/x
  3. Step 3: Cross multiply
    570,969.54x = 856,444.59 × 171,613.62
  4. Step 4: Simplify right side
    570,969.54x = 146,977,556,419.32
  5. Step 5: Solve for x
    x = 146,977,556,419.32/570,969.54
  6. Step 6: Final answer
    x = 257,417.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.