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Finding the Fourth Proportional to 437,068.80, 655,603.20 and 304,358.40

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Solution

The fourth proportional to 437,068.80, 655,603.20 and 304,358.40 is: 456,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,068.80 : 655,603.20 = 304,358.40 : x
  2. Step 2: Convert to fraction form
    437,068.80/655,603.20 = 304,358.40/x
  3. Step 3: Cross multiply
    437,068.80x = 655,603.20 × 304,358.40
  4. Step 4: Simplify right side
    437,068.80x = 199,538,340,986.88
  5. Step 5: Solve for x
    x = 199,538,340,986.88/437,068.80
  6. Step 6: Final answer
    x = 456,537.60

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1.5x scale

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.