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Finding the Fourth Proportional to 217,737,547.20, 326,606,326.20 and 217,737,547.20

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Solution

The fourth proportional to 217,737,547.20, 326,606,326.20 and 217,737,547.20 is: 326,606,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,737,547.20 : 326,606,326.20 = 217,737,547.20 : x
  2. Step 2: Convert to fraction form
    217,737,547.20/326,606,326.20 = 217,737,547.20/x
  3. Step 3: Cross multiply
    217,737,547.20x = 326,606,326.20 × 217,737,547.20
  4. Step 4: Simplify right side
    217,737,547.20x = 71,114,460,366,791,088
  5. Step 5: Solve for x
    x = 71,114,460,366,791,088/217,737,547.20
  6. Step 6: Final answer
    x = 326,606,326.20

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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.