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Finding the Fourth Proportional to 298,337.48, 447,461.77 and 98,658.91

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Solution

The fourth proportional to 298,337.48, 447,461.77 and 98,658.91 is: 147,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,337.48 : 447,461.77 = 98,658.91 : x
  2. Step 2: Convert to fraction form
    298,337.48/447,461.77 = 98,658.91/x
  3. Step 3: Cross multiply
    298,337.48x = 447,461.77 × 98,658.91
  4. Step 4: Simplify right side
    298,337.48x = 44,146,090,494.87
  5. Step 5: Solve for x
    x = 44,146,090,494.87/298,337.48
  6. Step 6: Final answer
    x = 147,973.67

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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.