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Finding the Fourth Proportional to 450,746.40, 674,807.40 and 437,624.40

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Solution

The fourth proportional to 450,746.40, 674,807.40 and 437,624.40 is: 655,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,746.40 : 674,807.40 = 437,624.40 : x
  2. Step 2: Convert to fraction form
    450,746.40/674,807.40 = 437,624.40/x
  3. Step 3: Cross multiply
    450,746.40x = 674,807.40 × 437,624.40
  4. Step 4: Simplify right side
    450,746.40x = 295,312,183,540.56
  5. Step 5: Solve for x
    x = 295,312,183,540.56/450,746.40
  6. Step 6: Final answer
    x = 655,162.60

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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.