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Finding the Fourth Proportional to 403,239,886.20, 604,859,829.30 and 403,239,886.20

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Solution

The fourth proportional to 403,239,886.20, 604,859,829.30 and 403,239,886.20 is: 604,859,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,239,886.20 : 604,859,829.30 = 403,239,886.20 : x
  2. Step 2: Convert to fraction form
    403,239,886.20/604,859,829.30 = 403,239,886.20/x
  3. Step 3: Cross multiply
    403,239,886.20x = 604,859,829.30 × 403,239,886.20
  4. Step 4: Simplify right side
    403,239,886.20x = 243,903,608,733,883,392
  5. Step 5: Solve for x
    x = 243,903,608,733,883,392/403,239,886.20
  6. Step 6: Final answer
    x = 604,859,829.30

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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.