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Finding the Fourth Proportional to 570,255.36, 786,883.36 and 328,617.12

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Solution

The fourth proportional to 570,255.36, 786,883.36 and 328,617.12 is: 453,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,255.36 : 786,883.36 = 328,617.12 : x
  2. Step 2: Convert to fraction form
    570,255.36/786,883.36 = 328,617.12/x
  3. Step 3: Cross multiply
    570,255.36x = 786,883.36 × 328,617.12
  4. Step 4: Simplify right side
    570,255.36x = 258,583,343,539.12
  5. Step 5: Solve for x
    x = 258,583,343,539.12/570,255.36
  6. Step 6: Final answer
    x = 453,451.84

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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.