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Finding the Fourth Proportional to 441,030.55, 608,741.13 and 288,065.50

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Solution

The fourth proportional to 441,030.55, 608,741.13 and 288,065.50 is: 397,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,030.55 : 608,741.13 = 288,065.50 : x
  2. Step 2: Convert to fraction form
    441,030.55/608,741.13 = 288,065.50/x
  3. Step 3: Cross multiply
    441,030.55x = 608,741.13 × 288,065.50
  4. Step 4: Simplify right side
    441,030.55x = 175,357,317,984.02
  5. Step 5: Solve for x
    x = 175,357,317,984.02/441,030.55
  6. Step 6: Final answer
    x = 397,608.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.