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Finding the Fourth Proportional to 336,210.30, 504,315.45 and 122,977.80

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Solution

The fourth proportional to 336,210.30, 504,315.45 and 122,977.80 is: 184,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,210.30 : 504,315.45 = 122,977.80 : x
  2. Step 2: Convert to fraction form
    336,210.30/504,315.45 = 122,977.80/x
  3. Step 3: Cross multiply
    336,210.30x = 504,315.45 × 122,977.80
  4. Step 4: Simplify right side
    336,210.30x = 62,019,604,547.01
  5. Step 5: Solve for x
    x = 62,019,604,547.01/336,210.30
  6. Step 6: Final answer
    x = 184,466.70

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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.