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Finding the Fourth Proportional to 348,026.70, 522,040.05 and 208,058.70

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Solution

The fourth proportional to 348,026.70, 522,040.05 and 208,058.70 is: 312,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,026.70 : 522,040.05 = 208,058.70 : x
  2. Step 2: Convert to fraction form
    348,026.70/522,040.05 = 208,058.70/x
  3. Step 3: Cross multiply
    348,026.70x = 522,040.05 × 208,058.70
  4. Step 4: Simplify right side
    348,026.70x = 108,614,974,150.94
  5. Step 5: Solve for x
    x = 108,614,974,150.94/348,026.70
  6. Step 6: Final answer
    x = 312,088.05

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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.