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Finding the Fourth Proportional to 448,925.42, 672,315.59 and 248,749.31

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Solution

The fourth proportional to 448,925.42, 672,315.59 and 248,749.31 is: 372,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,925.42 : 672,315.59 = 248,749.31 : x
  2. Step 2: Convert to fraction form
    448,925.42/672,315.59 = 248,749.31/x
  3. Step 3: Cross multiply
    448,925.42x = 672,315.59 × 248,749.31
  4. Step 4: Simplify right side
    448,925.42x = 167,238,041,417.41
  5. Step 5: Solve for x
    x = 167,238,041,417.41/448,925.42
  6. Step 6: Final answer
    x = 372,529.67

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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.