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Finding the Fourth Proportional to 560,525.16, 773,520.47 and 318,807.44

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Solution

The fourth proportional to 560,525.16, 773,520.47 and 318,807.44 is: 439,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,525.16 : 773,520.47 = 318,807.44 : x
  2. Step 2: Convert to fraction form
    560,525.16/773,520.47 = 318,807.44/x
  3. Step 3: Cross multiply
    560,525.16x = 773,520.47 × 318,807.44
  4. Step 4: Simplify right side
    560,525.16x = 246,604,075,366.66
  5. Step 5: Solve for x
    x = 246,604,075,366.66/560,525.16
  6. Step 6: Final answer
    x = 439,951.84

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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.