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Finding the Fourth Proportional to 377,718.48, 520,126.56 and 369,336.24

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Solution

The fourth proportional to 377,718.48, 520,126.56 and 369,336.24 is: 508,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,718.48 : 520,126.56 = 369,336.24 : x
  2. Step 2: Convert to fraction form
    377,718.48/520,126.56 = 369,336.24/x
  3. Step 3: Cross multiply
    377,718.48x = 520,126.56 × 369,336.24
  4. Step 4: Simplify right side
    377,718.48x = 192,101,587,994.53
  5. Step 5: Solve for x
    x = 192,101,587,994.53/377,718.48
  6. Step 6: Final answer
    x = 508,584.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.