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Finding the Fourth Proportional to 377,522.22, 520,980.76 and 207,756.34

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Solution

The fourth proportional to 377,522.22, 520,980.76 and 207,756.34 is: 286,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,522.22 : 520,980.76 = 207,756.34 : x
  2. Step 2: Convert to fraction form
    377,522.22/520,980.76 = 207,756.34/x
  3. Step 3: Cross multiply
    377,522.22x = 520,980.76 × 207,756.34
  4. Step 4: Simplify right side
    377,522.22x = 108,237,055,908.02
  5. Step 5: Solve for x
    x = 108,237,055,908.02/377,522.22
  6. Step 6: Final answer
    x = 286,703.80

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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.