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Finding the Fourth Proportional to 345,732.59, 477,075.99 and 192,756.30

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Solution

The fourth proportional to 345,732.59, 477,075.99 and 192,756.30 is: 265,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,732.59 : 477,075.99 = 192,756.30 : x
  2. Step 2: Convert to fraction form
    345,732.59/477,075.99 = 192,756.30/x
  3. Step 3: Cross multiply
    345,732.59x = 477,075.99 × 192,756.30
  4. Step 4: Simplify right side
    345,732.59x = 91,959,402,651.24
  5. Step 5: Solve for x
    x = 91,959,402,651.24/345,732.59
  6. Step 6: Final answer
    x = 265,984.19

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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.