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Finding the Fourth Proportional to 291,240.63, 437,265.54 and 192,038.31

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Solution

The fourth proportional to 291,240.63, 437,265.54 and 192,038.31 is: 288,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,240.63 : 437,265.54 = 192,038.31 : x
  2. Step 2: Convert to fraction form
    291,240.63/437,265.54 = 192,038.31/x
  3. Step 3: Cross multiply
    291,240.63x = 437,265.54 × 192,038.31
  4. Step 4: Simplify right side
    291,240.63x = 83,971,735,322.84
  5. Step 5: Solve for x
    x = 83,971,735,322.84/291,240.63
  6. Step 6: Final answer
    x = 288,324.25

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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.