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Finding the Fourth Proportional to 346,012.36, 477,530.46 and 210,014.98

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Solution

The fourth proportional to 346,012.36, 477,530.46 and 210,014.98 is: 289,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,012.36 : 477,530.46 = 210,014.98 : x
  2. Step 2: Convert to fraction form
    346,012.36/477,530.46 = 210,014.98/x
  3. Step 3: Cross multiply
    346,012.36x = 477,530.46 × 210,014.98
  4. Step 4: Simplify right side
    346,012.36x = 100,288,550,006.29
  5. Step 5: Solve for x
    x = 100,288,550,006.29/346,012.36
  6. Step 6: Final answer
    x = 289,840.95

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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.