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Finding the Fourth Proportional to 624,547.46, 936,854.65 and 198,115.67

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Solution

The fourth proportional to 624,547.46, 936,854.65 and 198,115.67 is: 297,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,547.46 : 936,854.65 = 198,115.67 : x
  2. Step 2: Convert to fraction form
    624,547.46/936,854.65 = 198,115.67/x
  3. Step 3: Cross multiply
    624,547.46x = 936,854.65 × 198,115.67
  4. Step 4: Simplify right side
    624,547.46x = 185,605,581,993.09
  5. Step 5: Solve for x
    x = 185,605,581,993.09/624,547.46
  6. Step 6: Final answer
    x = 297,184.11

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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.