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Finding the Fourth Proportional to 560,416.42, 773,370.69 and 318,698.96

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Solution

The fourth proportional to 560,416.42, 773,370.69 and 318,698.96 is: 439,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,416.42 : 773,370.69 = 318,698.96 : x
  2. Step 2: Convert to fraction form
    560,416.42/773,370.69 = 318,698.96/x
  3. Step 3: Cross multiply
    560,416.42x = 773,370.69 × 318,698.96
  4. Step 4: Simplify right side
    560,416.42x = 246,472,429,535.51
  5. Step 5: Solve for x
    x = 246,472,429,535.51/560,416.42
  6. Step 6: Final answer
    x = 439,802.30

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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.