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Finding the Fourth Proportional to 369,709.98, 510,075.69 and 301,609.23

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Solution

The fourth proportional to 369,709.98, 510,075.69 and 301,609.23 is: 416,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,709.98 : 510,075.69 = 301,609.23 : x
  2. Step 2: Convert to fraction form
    369,709.98/510,075.69 = 301,609.23/x
  3. Step 3: Cross multiply
    369,709.98x = 510,075.69 × 301,609.23
  4. Step 4: Simplify right side
    369,709.98x = 153,843,536,102.62
  5. Step 5: Solve for x
    x = 153,843,536,102.62/369,709.98
  6. Step 6: Final answer
    x = 416,119.51

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1.5x scale

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.