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Finding the Fourth Proportional to 524,597.36, 787,683.32 and 300,211.12

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Solution

The fourth proportional to 524,597.36, 787,683.32 and 300,211.12 is: 450,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,597.36 : 787,683.32 = 300,211.12 : x
  2. Step 2: Convert to fraction form
    524,597.36/787,683.32 = 300,211.12/x
  3. Step 3: Cross multiply
    524,597.36x = 787,683.32 × 300,211.12
  4. Step 4: Simplify right side
    524,597.36x = 236,471,291,702.52
  5. Step 5: Solve for x
    x = 236,471,291,702.52/524,597.36
  6. Step 6: Final answer
    x = 450,767.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.