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Finding the Fourth Proportional to 547,345.60, 819,050.10 and 370,198.60

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Solution

The fourth proportional to 547,345.60, 819,050.10 and 370,198.60 is: 553,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,345.60 : 819,050.10 = 370,198.60 : x
  2. Step 2: Convert to fraction form
    547,345.60/819,050.10 = 370,198.60/x
  3. Step 3: Cross multiply
    547,345.60x = 819,050.10 × 370,198.60
  4. Step 4: Simplify right side
    547,345.60x = 303,211,200,349.86
  5. Step 5: Solve for x
    x = 303,211,200,349.86/547,345.60
  6. Step 6: Final answer
    x = 553,966.64

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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.