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Finding the Fourth Proportional to 292,143.71, 438,210.99 and 149,906.93

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Solution

The fourth proportional to 292,143.71, 438,210.99 and 149,906.93 is: 224,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,143.71 : 438,210.99 = 149,906.93 : x
  2. Step 2: Convert to fraction form
    292,143.71/438,210.99 = 149,906.93/x
  3. Step 3: Cross multiply
    292,143.71x = 438,210.99 × 149,906.93
  4. Step 4: Simplify right side
    292,143.71x = 65,690,864,203.16
  5. Step 5: Solve for x
    x = 65,690,864,203.16/292,143.71
  6. Step 6: Final answer
    x = 224,858.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.