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Finding the Fourth Proportional to 358,477.04, 538,047.68 and 181,109.04

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Solution

The fourth proportional to 358,477.04, 538,047.68 and 181,109.04 is: 271,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,477.04 : 538,047.68 = 181,109.04 : x
  2. Step 2: Convert to fraction form
    358,477.04/538,047.68 = 181,109.04/x
  3. Step 3: Cross multiply
    358,477.04x = 538,047.68 × 181,109.04
  4. Step 4: Simplify right side
    358,477.04x = 97,445,298,799.03
  5. Step 5: Solve for x
    x = 97,445,298,799.03/358,477.04
  6. Step 6: Final answer
    x = 271,831.35

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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.