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Finding the Fourth Proportional to 377,048.32, 565,792.80 and 140,554.24

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Solution

The fourth proportional to 377,048.32, 565,792.80 and 140,554.24 is: 210,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,048.32 : 565,792.80 = 140,554.24 : x
  2. Step 2: Convert to fraction form
    377,048.32/565,792.80 = 140,554.24/x
  3. Step 3: Cross multiply
    377,048.32x = 565,792.80 × 140,554.24
  4. Step 4: Simplify right side
    377,048.32x = 79,524,577,001.47
  5. Step 5: Solve for x
    x = 79,524,577,001.47/377,048.32
  6. Step 6: Final answer
    x = 210,913.49

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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.