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Finding the Fourth Proportional to 567,755.76, 783,558.18 and 424,266.60

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Solution

The fourth proportional to 567,755.76, 783,558.18 and 424,266.60 is: 585,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,755.76 : 783,558.18 = 424,266.60 : x
  2. Step 2: Convert to fraction form
    567,755.76/783,558.18 = 424,266.60/x
  3. Step 3: Cross multiply
    567,755.76x = 783,558.18 × 424,266.60
  4. Step 4: Simplify right side
    567,755.76x = 332,437,564,930.79
  5. Step 5: Solve for x
    x = 332,437,564,930.79/567,755.76
  6. Step 6: Final answer
    x = 585,529.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.