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Finding the Fourth Proportional to 617,480,567.80, 926,220,851.70 and 253,854,071.80

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Solution

The fourth proportional to 617,480,567.80, 926,220,851.70 and 253,854,071.80 is: 380,781,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,480,567.80 : 926,220,851.70 = 253,854,071.80 : x
  2. Step 2: Convert to fraction form
    617,480,567.80/926,220,851.70 = 253,854,071.80/x
  3. Step 3: Cross multiply
    617,480,567.80x = 926,220,851.70 × 253,854,071.80
  4. Step 4: Simplify right side
    617,480,567.80x = 235,124,934,590,108,960
  5. Step 5: Solve for x
    x = 235,124,934,590,108,960/617,480,567.80
  6. Step 6: Final answer
    x = 380,781,107.70

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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.