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Finding the Fourth Proportional to 197,521, 296,285.01 and 64,400.74

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Solution

The fourth proportional to 197,521, 296,285.01 and 64,400.74 is: 96,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,521 : 296,285.01 = 64,400.74 : x
  2. Step 2: Convert to fraction form
    197,521/296,285.01 = 64,400.74/x
  3. Step 3: Cross multiply
    197,521x = 296,285.01 × 64,400.74
  4. Step 4: Simplify right side
    197,521x = 19,080,973,894.91
  5. Step 5: Solve for x
    x = 19,080,973,894.91/197,521
  6. Step 6: Final answer
    x = 96,602.25

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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.