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Finding the Fourth Proportional to 286,606,876.40, 429,272,585.40 and 235,588,540.40

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Solution

The fourth proportional to 286,606,876.40, 429,272,585.40 and 235,588,540.40 is: 352,858,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,606,876.40 : 429,272,585.40 = 235,588,540.40 : x
  2. Step 2: Convert to fraction form
    286,606,876.40/429,272,585.40 = 235,588,540.40/x
  3. Step 3: Cross multiply
    286,606,876.40x = 429,272,585.40 × 235,588,540.40
  4. Step 4: Simplify right side
    286,606,876.40x = 101,131,701,828,120,352
  5. Step 5: Solve for x
    x = 101,131,701,828,120,352/286,606,876.40
  6. Step 6: Final answer
    x = 352,858,602.34

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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.