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Finding the Fourth Proportional to 683,437.59, 943,146.95 and 373,344.45

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Solution

The fourth proportional to 683,437.59, 943,146.95 and 373,344.45 is: 515,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,437.59 : 943,146.95 = 373,344.45 : x
  2. Step 2: Convert to fraction form
    683,437.59/943,146.95 = 373,344.45/x
  3. Step 3: Cross multiply
    683,437.59x = 943,146.95 × 373,344.45
  4. Step 4: Simplify right side
    683,437.59x = 352,118,677,450.21
  5. Step 5: Solve for x
    x = 352,118,677,450.21/683,437.59
  6. Step 6: Final answer
    x = 515,217.02

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Double scale
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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.