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Finding the Fourth Proportional to 288,032.10, 432,048.15 and 193,553.70

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Solution

The fourth proportional to 288,032.10, 432,048.15 and 193,553.70 is: 290,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,032.10 : 432,048.15 = 193,553.70 : x
  2. Step 2: Convert to fraction form
    288,032.10/432,048.15 = 193,553.70/x
  3. Step 3: Cross multiply
    288,032.10x = 432,048.15 × 193,553.70
  4. Step 4: Simplify right side
    288,032.10x = 83,624,518,010.66
  5. Step 5: Solve for x
    x = 83,624,518,010.66/288,032.10
  6. Step 6: Final answer
    x = 290,330.55

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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.