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Finding the Fourth Proportional to 622,821.01, 859,492.98 and 336,341.07

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Solution

The fourth proportional to 622,821.01, 859,492.98 and 336,341.07 is: 464,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,821.01 : 859,492.98 = 336,341.07 : x
  2. Step 2: Convert to fraction form
    622,821.01/859,492.98 = 336,341.07/x
  3. Step 3: Cross multiply
    622,821.01x = 859,492.98 × 336,341.07
  4. Step 4: Simplify right side
    622,821.01x = 289,082,788,550.69
  5. Step 5: Solve for x
    x = 289,082,788,550.69/622,821.01
  6. Step 6: Final answer
    x = 464,150.67

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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.