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Finding the Fourth Proportional to 662,315.16, 993,482.06 and 189,000.57

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Solution

The fourth proportional to 662,315.16, 993,482.06 and 189,000.57 is: 283,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,315.16 : 993,482.06 = 189,000.57 : x
  2. Step 2: Convert to fraction form
    662,315.16/993,482.06 = 189,000.57/x
  3. Step 3: Cross multiply
    662,315.16x = 993,482.06 × 189,000.57
  4. Step 4: Simplify right side
    662,315.16x = 187,768,674,679.77
  5. Step 5: Solve for x
    x = 187,768,674,679.77/662,315.16
  6. Step 6: Final answer
    x = 283,503.51

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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.