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Finding the Fourth Proportional to 567,586.40, 851,768.40 and 314,866.40

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Solution

The fourth proportional to 567,586.40, 851,768.40 and 314,866.40 is: 472,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,586.40 : 851,768.40 = 314,866.40 : x
  2. Step 2: Convert to fraction form
    567,586.40/851,768.40 = 314,866.40/x
  3. Step 3: Cross multiply
    567,586.40x = 851,768.40 × 314,866.40
  4. Step 4: Simplify right side
    567,586.40x = 268,193,249,741.76
  5. Step 5: Solve for x
    x = 268,193,249,741.76/567,586.40
  6. Step 6: Final answer
    x = 472,515.29

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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.