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Finding the Fourth Proportional to 611,580.30, 917,370.45 and 598,458.30

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Solution

The fourth proportional to 611,580.30, 917,370.45 and 598,458.30 is: 897,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,580.30 : 917,370.45 = 598,458.30 : x
  2. Step 2: Convert to fraction form
    611,580.30/917,370.45 = 598,458.30/x
  3. Step 3: Cross multiply
    611,580.30x = 917,370.45 × 598,458.30
  4. Step 4: Simplify right side
    611,580.30x = 549,007,959,977.24
  5. Step 5: Solve for x
    x = 549,007,959,977.24/611,580.30
  6. Step 6: Final answer
    x = 897,687.45

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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.