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Finding the Fourth Proportional to 298,908.51, 448,444.79 and 148,967.79

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Solution

The fourth proportional to 298,908.51, 448,444.79 and 148,967.79 is: 223,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,908.51 : 448,444.79 = 148,967.79 : x
  2. Step 2: Convert to fraction form
    298,908.51/448,444.79 = 148,967.79/x
  3. Step 3: Cross multiply
    298,908.51x = 448,444.79 × 148,967.79
  4. Step 4: Simplify right side
    298,908.51x = 66,803,828,558.48
  5. Step 5: Solve for x
    x = 66,803,828,558.48/298,908.51
  6. Step 6: Final answer
    x = 223,492.56

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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.