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Finding the Fourth Proportional to 424,185.89, 585,341.71 and 249,728.40

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Solution

The fourth proportional to 424,185.89, 585,341.71 and 249,728.40 is: 344,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,185.89 : 585,341.71 = 249,728.40 : x
  2. Step 2: Convert to fraction form
    424,185.89/585,341.71 = 249,728.40/x
  3. Step 3: Cross multiply
    424,185.89x = 585,341.71 × 249,728.40
  4. Step 4: Simplify right side
    424,185.89x = 146,176,448,691.56
  5. Step 5: Solve for x
    x = 146,176,448,691.56/424,185.89
  6. Step 6: Final answer
    x = 344,604.69

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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.