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Finding the Fourth Proportional to 500,904,038.80, 699,832,382 and 500,904,038.80

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Solution

The fourth proportional to 500,904,038.80, 699,832,382 and 500,904,038.80 is: 699,832,382

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,904,038.80 : 699,832,382 = 500,904,038.80 : x
  2. Step 2: Convert to fraction form
    500,904,038.80/699,832,382 = 500,904,038.80/x
  3. Step 3: Cross multiply
    500,904,038.80x = 699,832,382 × 500,904,038.80
  4. Step 4: Simplify right side
    500,904,038.80x = 350,548,866,626,824,448
  5. Step 5: Solve for x
    x = 350,548,866,626,824,448/500,904,038.80
  6. Step 6: Final answer
    x = 699,832,382

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.