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Finding the Fourth Proportional to 560,158.56, 773,085.24 and 318,477.60

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Solution

The fourth proportional to 560,158.56, 773,085.24 and 318,477.60 is: 439,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,158.56 : 773,085.24 = 318,477.60 : x
  2. Step 2: Convert to fraction form
    560,158.56/773,085.24 = 318,477.60/x
  3. Step 3: Cross multiply
    560,158.56x = 773,085.24 × 318,477.60
  4. Step 4: Simplify right side
    560,158.56x = 246,210,331,830.62
  5. Step 5: Solve for x
    x = 246,210,331,830.62/560,158.56
  6. Step 6: Final answer
    x = 439,536.86

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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.