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Finding the Fourth Proportional to 346,011.86, 477,529.77 and 210,014.48

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Solution

The fourth proportional to 346,011.86, 477,529.77 and 210,014.48 is: 289,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,011.86 : 477,529.77 = 210,014.48 : x
  2. Step 2: Convert to fraction form
    346,011.86/477,529.77 = 210,014.48/x
  3. Step 3: Cross multiply
    346,011.86x = 477,529.77 × 210,014.48
  4. Step 4: Simplify right side
    346,011.86x = 100,288,166,331.07
  5. Step 5: Solve for x
    x = 100,288,166,331.07/346,011.86
  6. Step 6: Final answer
    x = 289,840.26

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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.