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Finding the Fourth Proportional to 531,504,804.90, 797,257,207.35 and 531,504,804.90

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Solution

The fourth proportional to 531,504,804.90, 797,257,207.35 and 531,504,804.90 is: 797,257,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,504,804.90 : 797,257,207.35 = 531,504,804.90 : x
  2. Step 2: Convert to fraction form
    531,504,804.90/797,257,207.35 = 531,504,804.90/x
  3. Step 3: Cross multiply
    531,504,804.90x = 797,257,207.35 × 531,504,804.90
  4. Step 4: Simplify right side
    531,504,804.90x = 423,746,036,447,680,576
  5. Step 5: Solve for x
    x = 423,746,036,447,680,576/531,504,804.90
  6. Step 6: Final answer
    x = 797,257,207.35

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Similar ratio
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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.