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Finding the Fourth Proportional to 617,075.72, 925,712.14 and 190,511.24

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Solution

The fourth proportional to 617,075.72, 925,712.14 and 190,511.24 is: 285,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,075.72 : 925,712.14 = 190,511.24 : x
  2. Step 2: Convert to fraction form
    617,075.72/925,712.14 = 190,511.24/x
  3. Step 3: Cross multiply
    617,075.72x = 925,712.14 × 190,511.24
  4. Step 4: Simplify right side
    617,075.72x = 176,358,567,674.45
  5. Step 5: Solve for x
    x = 176,358,567,674.45/617,075.72
  6. Step 6: Final answer
    x = 285,797.29

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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.