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Finding the Fourth Proportional to 555,005.40, 832,508.10 and 200,055.30

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Solution

The fourth proportional to 555,005.40, 832,508.10 and 200,055.30 is: 300,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,005.40 : 832,508.10 = 200,055.30 : x
  2. Step 2: Convert to fraction form
    555,005.40/832,508.10 = 200,055.30/x
  3. Step 3: Cross multiply
    555,005.40x = 832,508.10 × 200,055.30
  4. Step 4: Simplify right side
    555,005.40x = 166,547,657,697.93
  5. Step 5: Solve for x
    x = 166,547,657,697.93/555,005.40
  6. Step 6: Final answer
    x = 300,082.95

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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.