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Finding the Fourth Proportional to 548,421.44, 822,300.04 and 358,652.76

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Solution

The fourth proportional to 548,421.44, 822,300.04 and 358,652.76 is: 537,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,421.44 : 822,300.04 = 358,652.76 : x
  2. Step 2: Convert to fraction form
    548,421.44/822,300.04 = 358,652.76/x
  3. Step 3: Cross multiply
    548,421.44x = 822,300.04 × 358,652.76
  4. Step 4: Simplify right side
    548,421.44x = 294,920,178,894.11
  5. Step 5: Solve for x
    x = 294,920,178,894.11/548,421.44
  6. Step 6: Final answer
    x = 537,761.94

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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.