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Finding the Fourth Proportional to 346,462.20, 520,211.70 and 241,745.40

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Solution

The fourth proportional to 346,462.20, 520,211.70 and 241,745.40 is: 362,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,462.20 : 520,211.70 = 241,745.40 : x
  2. Step 2: Convert to fraction form
    346,462.20/520,211.70 = 241,745.40/x
  3. Step 3: Cross multiply
    346,462.20x = 520,211.70 × 241,745.40
  4. Step 4: Simplify right side
    346,462.20x = 125,758,785,501.18
  5. Step 5: Solve for x
    x = 125,758,785,501.18/346,462.20
  6. Step 6: Final answer
    x = 362,979.82

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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.