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Finding the Fourth Proportional to 424,432.76, 585,682.25 and 249,975.77

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Solution

The fourth proportional to 424,432.76, 585,682.25 and 249,975.77 is: 344,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,432.76 : 585,682.25 = 249,975.77 : x
  2. Step 2: Convert to fraction form
    424,432.76/585,682.25 = 249,975.77/x
  3. Step 3: Cross multiply
    424,432.76x = 585,682.25 × 249,975.77
  4. Step 4: Simplify right side
    424,432.76x = 146,406,370,535.26
  5. Step 5: Solve for x
    x = 146,406,370,535.26/424,432.76
  6. Step 6: Final answer
    x = 344,945.97

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Double scale
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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.