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Finding the Fourth Proportional to 294,368.10, 441,552.15 and 72,752.10

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Solution

The fourth proportional to 294,368.10, 441,552.15 and 72,752.10 is: 109,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,368.10 : 441,552.15 = 72,752.10 : x
  2. Step 2: Convert to fraction form
    294,368.10/441,552.15 = 72,752.10/x
  3. Step 3: Cross multiply
    294,368.10x = 441,552.15 × 72,752.10
  4. Step 4: Simplify right side
    294,368.10x = 32,123,846,172.02
  5. Step 5: Solve for x
    x = 32,123,846,172.02/294,368.10
  6. Step 6: Final answer
    x = 109,128.15

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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.