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Finding the Fourth Proportional to 377,068.16, 520,466.24 and 216,030.44

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Solution

The fourth proportional to 377,068.16, 520,466.24 and 216,030.44 is: 298,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,068.16 : 520,466.24 = 216,030.44 : x
  2. Step 2: Convert to fraction form
    377,068.16/520,466.24 = 216,030.44/x
  3. Step 3: Cross multiply
    377,068.16x = 520,466.24 × 216,030.44
  4. Step 4: Simplify right side
    377,068.16x = 112,436,552,673.59
  5. Step 5: Solve for x
    x = 112,436,552,673.59/377,068.16
  6. Step 6: Final answer
    x = 298,186.28

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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.