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Finding the Fourth Proportional to 334,442.80, 500,886.60 and 228,689.20

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Solution

The fourth proportional to 334,442.80, 500,886.60 and 228,689.20 is: 342,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,442.80 : 500,886.60 = 228,689.20 : x
  2. Step 2: Convert to fraction form
    334,442.80/500,886.60 = 228,689.20/x
  3. Step 3: Cross multiply
    334,442.80x = 500,886.60 × 228,689.20
  4. Step 4: Simplify right side
    334,442.80x = 114,547,355,844.72
  5. Step 5: Solve for x
    x = 114,547,355,844.72/334,442.80
  6. Step 6: Final answer
    x = 342,502.08

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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.