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Finding the Fourth Proportional to 607,271.40, 910,907.10 and 383,322.60

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Solution

The fourth proportional to 607,271.40, 910,907.10 and 383,322.60 is: 574,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,271.40 : 910,907.10 = 383,322.60 : x
  2. Step 2: Convert to fraction form
    607,271.40/910,907.10 = 383,322.60/x
  3. Step 3: Cross multiply
    607,271.40x = 910,907.10 × 383,322.60
  4. Step 4: Simplify right side
    607,271.40x = 349,171,277,930.46
  5. Step 5: Solve for x
    x = 349,171,277,930.46/607,271.40
  6. Step 6: Final answer
    x = 574,983.90

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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.