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Finding the Fourth Proportional to 424,228.68, 585,400.95 and 249,771.35

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Solution

The fourth proportional to 424,228.68, 585,400.95 and 249,771.35 is: 344,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,228.68 : 585,400.95 = 249,771.35 : x
  2. Step 2: Convert to fraction form
    424,228.68/585,400.95 = 249,771.35/x
  3. Step 3: Cross multiply
    424,228.68x = 585,400.95 × 249,771.35
  4. Step 4: Simplify right side
    424,228.68x = 146,216,384,621.51
  5. Step 5: Solve for x
    x = 146,216,384,621.51/424,228.68
  6. Step 6: Final answer
    x = 344,664.07

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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.