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Finding the Fourth Proportional to 347,222.40, 519,407.68 and 277,238.40

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Solution

The fourth proportional to 347,222.40, 519,407.68 and 277,238.40 is: 414,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,222.40 : 519,407.68 = 277,238.40 : x
  2. Step 2: Convert to fraction form
    347,222.40/519,407.68 = 277,238.40/x
  3. Step 3: Cross multiply
    347,222.40x = 519,407.68 × 277,238.40
  4. Step 4: Simplify right side
    347,222.40x = 143,999,754,150.91
  5. Step 5: Solve for x
    x = 143,999,754,150.91/347,222.40
  6. Step 6: Final answer
    x = 414,719.08

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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.