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Finding the Fourth Proportional to 346,874.83, 520,417.04 and 164,645.48

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Solution

The fourth proportional to 346,874.83, 520,417.04 and 164,645.48 is: 247,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,874.83 : 520,417.04 = 164,645.48 : x
  2. Step 2: Convert to fraction form
    346,874.83/520,417.04 = 164,645.48/x
  3. Step 3: Cross multiply
    346,874.83x = 520,417.04 × 164,645.48
  4. Step 4: Simplify right side
    346,874.83x = 85,684,313,828.79
  5. Step 5: Solve for x
    x = 85,684,313,828.79/346,874.83
  6. Step 6: Final answer
    x = 247,017.96

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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.