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Finding the Fourth Proportional to 288,035.46, 432,053.24 and 77,673.42

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Solution

The fourth proportional to 288,035.46, 432,053.24 and 77,673.42 is: 116,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,035.46 : 432,053.24 = 77,673.42 : x
  2. Step 2: Convert to fraction form
    288,035.46/432,053.24 = 77,673.42/x
  3. Step 3: Cross multiply
    288,035.46x = 432,053.24 × 77,673.42
  4. Step 4: Simplify right side
    288,035.46x = 33,559,054,441.63
  5. Step 5: Solve for x
    x = 33,559,054,441.63/288,035.46
  6. Step 6: Final answer
    x = 116,510.15

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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.