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Finding the Fourth Proportional to 559,372.59, 838,603.40 and 260,041.95

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Solution

The fourth proportional to 559,372.59, 838,603.40 and 260,041.95 is: 389,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,372.59 : 838,603.40 = 260,041.95 : x
  2. Step 2: Convert to fraction form
    559,372.59/838,603.40 = 260,041.95/x
  3. Step 3: Cross multiply
    559,372.59x = 838,603.40 × 260,041.95
  4. Step 4: Simplify right side
    559,372.59x = 218,072,062,112.42
  5. Step 5: Solve for x
    x = 218,072,062,112.42/559,372.59
  6. Step 6: Final answer
    x = 389,851.18

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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.