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Finding the Fourth Proportional to 560,318.02, 773,235.26 and 318,600.57

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Solution

The fourth proportional to 560,318.02, 773,235.26 and 318,600.57 is: 439,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,318.02 : 773,235.26 = 318,600.57 : x
  2. Step 2: Convert to fraction form
    560,318.02/773,235.26 = 318,600.57/x
  3. Step 3: Cross multiply
    560,318.02x = 773,235.26 × 318,600.57
  4. Step 4: Simplify right side
    560,318.02x = 246,353,197,081.48
  5. Step 5: Solve for x
    x = 246,353,197,081.48/560,318.02
  6. Step 6: Final answer
    x = 439,666.74

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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.