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Finding the Fourth Proportional to 604,413,362.40, 906,620,043.60 and 556,040,421.60

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Solution

The fourth proportional to 604,413,362.40, 906,620,043.60 and 556,040,421.60 is: 834,060,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,413,362.40 : 906,620,043.60 = 556,040,421.60 : x
  2. Step 2: Convert to fraction form
    604,413,362.40/906,620,043.60 = 556,040,421.60/x
  3. Step 3: Cross multiply
    604,413,362.40x = 906,620,043.60 × 556,040,421.60
  4. Step 4: Simplify right side
    604,413,362.40x = 504,117,391,274,354,432
  5. Step 5: Solve for x
    x = 504,117,391,274,354,432/604,413,362.40
  6. Step 6: Final answer
    x = 834,060,632.40

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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.