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Finding the Fourth Proportional to 560,935.50, 773,698.16 and 379,567.59

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Solution

The fourth proportional to 560,935.50, 773,698.16 and 379,567.59 is: 523,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,935.50 : 773,698.16 = 379,567.59 : x
  2. Step 2: Convert to fraction form
    560,935.50/773,698.16 = 379,567.59/x
  3. Step 3: Cross multiply
    560,935.50x = 773,698.16 × 379,567.59
  4. Step 4: Simplify right side
    560,935.50x = 293,670,744,080.80
  5. Step 5: Solve for x
    x = 293,670,744,080.80/560,935.50
  6. Step 6: Final answer
    x = 523,537.45

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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.