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Finding the Fourth Proportional to 288,518.74, 432,391.22 and 224,554.14

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Solution

The fourth proportional to 288,518.74, 432,391.22 and 224,554.14 is: 336,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,518.74 : 432,391.22 = 224,554.14 : x
  2. Step 2: Convert to fraction form
    288,518.74/432,391.22 = 224,554.14/x
  3. Step 3: Cross multiply
    288,518.74x = 432,391.22 × 224,554.14
  4. Step 4: Simplify right side
    288,518.74x = 97,095,239,112.04
  5. Step 5: Solve for x
    x = 97,095,239,112.04/288,518.74
  6. Step 6: Final answer
    x = 336,530.10

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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.