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Finding the Fourth Proportional to 303,294.63, 418,543.70 and 167,329.67

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Solution

The fourth proportional to 303,294.63, 418,543.70 and 167,329.67 is: 230,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,294.63 : 418,543.70 = 167,329.67 : x
  2. Step 2: Convert to fraction form
    303,294.63/418,543.70 = 167,329.67/x
  3. Step 3: Cross multiply
    303,294.63x = 418,543.70 × 167,329.67
  4. Step 4: Simplify right side
    303,294.63x = 70,034,779,201.58
  5. Step 5: Solve for x
    x = 70,034,779,201.58/303,294.63
  6. Step 6: Final answer
    x = 230,913.35

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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.