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Finding the Fourth Proportional to 332,657.05, 459,071.16 and 189,417.66

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Solution

The fourth proportional to 332,657.05, 459,071.16 and 189,417.66 is: 261,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,657.05 : 459,071.16 = 189,417.66 : x
  2. Step 2: Convert to fraction form
    332,657.05/459,071.16 = 189,417.66/x
  3. Step 3: Cross multiply
    332,657.05x = 459,071.16 × 189,417.66
  4. Step 4: Simplify right side
    332,657.05x = 86,956,184,900.69
  5. Step 5: Solve for x
    x = 86,956,184,900.69/332,657.05
  6. Step 6: Final answer
    x = 261,398.89

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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.