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Finding the Fourth Proportional to 424,688.77, 586,095.73 and 243,412.41

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Solution

The fourth proportional to 424,688.77, 586,095.73 and 243,412.41 is: 335,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,688.77 : 586,095.73 = 243,412.41 : x
  2. Step 2: Convert to fraction form
    424,688.77/586,095.73 = 243,412.41/x
  3. Step 3: Cross multiply
    424,688.77x = 586,095.73 × 243,412.41
  4. Step 4: Simplify right side
    424,688.77x = 142,662,976,203.78
  5. Step 5: Solve for x
    x = 142,662,976,203.78/424,688.77
  6. Step 6: Final answer
    x = 335,923.59

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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.