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Finding the Fourth Proportional to 611,397,703.20, 917,096,554.80 and 611,397,703.20

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Solution

The fourth proportional to 611,397,703.20, 917,096,554.80 and 611,397,703.20 is: 917,096,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,397,703.20 : 917,096,554.80 = 611,397,703.20 : x
  2. Step 2: Convert to fraction form
    611,397,703.20/917,096,554.80 = 611,397,703.20/x
  3. Step 3: Cross multiply
    611,397,703.20x = 917,096,554.80 × 611,397,703.20
  4. Step 4: Simplify right side
    611,397,703.20x = 560,710,727,217,352,960
  5. Step 5: Solve for x
    x = 560,710,727,217,352,960/611,397,703.20
  6. Step 6: Final answer
    x = 917,096,554.80

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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.