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Finding the Fourth Proportional to 292,151.74, 438,223.02 and 149,914.93

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Solution

The fourth proportional to 292,151.74, 438,223.02 and 149,914.93 is: 224,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,151.74 : 438,223.02 = 149,914.93 : x
  2. Step 2: Convert to fraction form
    292,151.74/438,223.02 = 149,914.93/x
  3. Step 3: Cross multiply
    292,151.74x = 438,223.02 × 149,914.93
  4. Step 4: Simplify right side
    292,151.74x = 65,696,173,367.69
  5. Step 5: Solve for x
    x = 65,696,173,367.69/292,151.74
  6. Step 6: Final answer
    x = 224,870.04

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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.