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Finding the Fourth Proportional to 648,343.59, 973,200.19 and 364,276.90

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Solution

The fourth proportional to 648,343.59, 973,200.19 and 364,276.90 is: 546,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,343.59 : 973,200.19 = 364,276.90 : x
  2. Step 2: Convert to fraction form
    648,343.59/973,200.19 = 364,276.90/x
  3. Step 3: Cross multiply
    648,343.59x = 973,200.19 × 364,276.90
  4. Step 4: Simplify right side
    648,343.59x = 354,514,344,831.72
  5. Step 5: Solve for x
    x = 354,514,344,831.72/648,343.59
  6. Step 6: Final answer
    x = 546,800.11

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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.