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Finding the Fourth Proportional to 347,897.05, 480,089.81 and 204,666.32

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Solution

The fourth proportional to 347,897.05, 480,089.81 and 204,666.32 is: 282,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,897.05 : 480,089.81 = 204,666.32 : x
  2. Step 2: Convert to fraction form
    347,897.05/480,089.81 = 204,666.32/x
  3. Step 3: Cross multiply
    347,897.05x = 480,089.81 × 204,666.32
  4. Step 4: Simplify right side
    347,897.05x = 98,258,214,682.20
  5. Step 5: Solve for x
    x = 98,258,214,682.20/347,897.05
  6. Step 6: Final answer
    x = 282,434.75

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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.