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Finding the Fourth Proportional to 424,232.18, 585,405.78 and 249,774.85

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Solution

The fourth proportional to 424,232.18, 585,405.78 and 249,774.85 is: 344,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,232.18 : 585,405.78 = 249,774.85 : x
  2. Step 2: Convert to fraction form
    424,232.18/585,405.78 = 249,774.85/x
  3. Step 3: Cross multiply
    424,232.18x = 585,405.78 × 249,774.85
  4. Step 4: Simplify right side
    424,232.18x = 146,219,640,888.63
  5. Step 5: Solve for x
    x = 146,219,640,888.63/424,232.18
  6. Step 6: Final answer
    x = 344,668.90

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1.5x scale

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.