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Finding the Fourth Proportional to 381,341.04, 526,250.70 and 211,574.76

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Solution

The fourth proportional to 381,341.04, 526,250.70 and 211,574.76 is: 291,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,341.04 : 526,250.70 = 211,574.76 : x
  2. Step 2: Convert to fraction form
    381,341.04/526,250.70 = 211,574.76/x
  3. Step 3: Cross multiply
    381,341.04x = 526,250.70 × 211,574.76
  4. Step 4: Simplify right side
    381,341.04x = 111,341,365,552.33
  5. Step 5: Solve for x
    x = 111,341,365,552.33/381,341.04
  6. Step 6: Final answer
    x = 291,973.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.