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Finding the Fourth Proportional to 268,019,905.60, 374,462,592.80 and 268,019,905.60

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Solution

The fourth proportional to 268,019,905.60, 374,462,592.80 and 268,019,905.60 is: 374,462,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,019,905.60 : 374,462,592.80 = 268,019,905.60 : x
  2. Step 2: Convert to fraction form
    268,019,905.60/374,462,592.80 = 268,019,905.60/x
  3. Step 3: Cross multiply
    268,019,905.60x = 374,462,592.80 × 268,019,905.60
  4. Step 4: Simplify right side
    268,019,905.60x = 100,363,428,772,987,248
  5. Step 5: Solve for x
    x = 100,363,428,772,987,248/268,019,905.60
  6. Step 6: Final answer
    x = 374,462,592.80

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1.5x scale

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.