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Finding the Fourth Proportional to 245,484.74, 338,699.07 and 147,328.10

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Solution

The fourth proportional to 245,484.74, 338,699.07 and 147,328.10 is: 203,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,484.74 : 338,699.07 = 147,328.10 : x
  2. Step 2: Convert to fraction form
    245,484.74/338,699.07 = 147,328.10/x
  3. Step 3: Cross multiply
    245,484.74x = 338,699.07 × 147,328.10
  4. Step 4: Simplify right side
    245,484.74x = 49,899,890,031.49
  5. Step 5: Solve for x
    x = 49,899,890,031.49/245,484.74
  6. Step 6: Final answer
    x = 203,270.84

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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.