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Finding the Fourth Proportional to 616,255.90, 925,075.05 and 367,078.30

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Solution

The fourth proportional to 616,255.90, 925,075.05 and 367,078.30 is: 551,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,255.90 : 925,075.05 = 367,078.30 : x
  2. Step 2: Convert to fraction form
    616,255.90/925,075.05 = 367,078.30/x
  3. Step 3: Cross multiply
    616,255.90x = 925,075.05 × 367,078.30
  4. Step 4: Simplify right side
    616,255.90x = 339,574,976,726.42
  5. Step 5: Solve for x
    x = 339,574,976,726.42/616,255.90
  6. Step 6: Final answer
    x = 551,029.17

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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.