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Finding the Fourth Proportional to 548,715.10, 822,683.85 and 249,339.10

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Solution

The fourth proportional to 548,715.10, 822,683.85 and 249,339.10 is: 373,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,715.10 : 822,683.85 = 249,339.10 : x
  2. Step 2: Convert to fraction form
    548,715.10/822,683.85 = 249,339.10/x
  3. Step 3: Cross multiply
    548,715.10x = 822,683.85 × 249,339.10
  4. Step 4: Simplify right side
    548,715.10x = 205,127,250,743.54
  5. Step 5: Solve for x
    x = 205,127,250,743.54/548,715.10
  6. Step 6: Final answer
    x = 373,831.98

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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.