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Finding the Fourth Proportional to 304,746.96, 455,267.15 and 197,255.20

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Solution

The fourth proportional to 304,746.96, 455,267.15 and 197,255.20 is: 294,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,746.96 : 455,267.15 = 197,255.20 : x
  2. Step 2: Convert to fraction form
    304,746.96/455,267.15 = 197,255.20/x
  3. Step 3: Cross multiply
    304,746.96x = 455,267.15 × 197,255.20
  4. Step 4: Simplify right side
    304,746.96x = 89,803,809,464.07
  5. Step 5: Solve for x
    x = 89,803,809,464.07/304,746.96
  6. Step 6: Final answer
    x = 294,683.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.