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Finding the Fourth Proportional to 500,645.34, 746,151.35 and 492,673.86

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Solution

The fourth proportional to 500,645.34, 746,151.35 and 492,673.86 is: 734,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,645.34 : 746,151.35 = 492,673.86 : x
  2. Step 2: Convert to fraction form
    500,645.34/746,151.35 = 492,673.86/x
  3. Step 3: Cross multiply
    500,645.34x = 746,151.35 × 492,673.86
  4. Step 4: Simplify right side
    500,645.34x = 367,609,263,285.34
  5. Step 5: Solve for x
    x = 367,609,263,285.34/500,645.34
  6. Step 6: Final answer
    x = 734,270.82

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Double scale
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Similar ratio
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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.