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Finding the Fourth Proportional to 461,944, 637,483.04 and 249,976

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Solution

The fourth proportional to 461,944, 637,483.04 and 249,976 is: 344,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,944 : 637,483.04 = 249,976 : x
  2. Step 2: Convert to fraction form
    461,944/637,483.04 = 249,976/x
  3. Step 3: Cross multiply
    461,944x = 637,483.04 × 249,976
  4. Step 4: Simplify right side
    461,944x = 159,355,460,407.04
  5. Step 5: Solve for x
    x = 159,355,460,407.04/461,944
  6. Step 6: Final answer
    x = 344,967.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.