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Finding the Fourth Proportional to 377,295.16, 520,656.46 and 207,529.28

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Solution

The fourth proportional to 377,295.16, 520,656.46 and 207,529.28 is: 286,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,295.16 : 520,656.46 = 207,529.28 : x
  2. Step 2: Convert to fraction form
    377,295.16/520,656.46 = 207,529.28/x
  3. Step 3: Cross multiply
    377,295.16x = 520,656.46 × 207,529.28
  4. Step 4: Simplify right side
    377,295.16x = 108,051,460,271.15
  5. Step 5: Solve for x
    x = 108,051,460,271.15/377,295.16
  6. Step 6: Final answer
    x = 286,384.43

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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.