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Finding the Fourth Proportional to 531,574,808.10, 797,362,212.15 and 531,574,808.10

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Solution

The fourth proportional to 531,574,808.10, 797,362,212.15 and 531,574,808.10 is: 797,362,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,574,808.10 : 797,362,212.15 = 531,574,808.10 : x
  2. Step 2: Convert to fraction form
    531,574,808.10/797,362,212.15 = 531,574,808.10/x
  3. Step 3: Cross multiply
    531,574,808.10x = 797,362,212.15 × 531,574,808.10
  4. Step 4: Simplify right side
    531,574,808.10x = 423,857,664,909,827,776
  5. Step 5: Solve for x
    x = 423,857,664,909,827,776/531,574,808.10
  6. Step 6: Final answer
    x = 797,362,212.15

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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.