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Finding the Fourth Proportional to 531,893,145.60, 797,839,718.40 and 476,353,843.20

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Solution

The fourth proportional to 531,893,145.60, 797,839,718.40 and 476,353,843.20 is: 714,530,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,893,145.60 : 797,839,718.40 = 476,353,843.20 : x
  2. Step 2: Convert to fraction form
    531,893,145.60/797,839,718.40 = 476,353,843.20/x
  3. Step 3: Cross multiply
    531,893,145.60x = 797,839,718.40 × 476,353,843.20
  4. Step 4: Simplify right side
    531,893,145.60x = 380,054,016,117,445,760
  5. Step 5: Solve for x
    x = 380,054,016,117,445,760/531,893,145.60
  6. Step 6: Final answer
    x = 714,530,764.80

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Double scale
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1.5x scale

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.