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Finding the Fourth Proportional to 604,996.02, 908,055.12 and 305,686.78

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Solution

The fourth proportional to 604,996.02, 908,055.12 and 305,686.78 is: 458,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,996.02 : 908,055.12 = 305,686.78 : x
  2. Step 2: Convert to fraction form
    604,996.02/908,055.12 = 305,686.78/x
  3. Step 3: Cross multiply
    604,996.02x = 908,055.12 × 305,686.78
  4. Step 4: Simplify right side
    604,996.02x = 277,580,445,695.31
  5. Step 5: Solve for x
    x = 277,580,445,695.31/604,996.02
  6. Step 6: Final answer
    x = 458,813.67

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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.