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Finding the Fourth Proportional to 662,057.49, 993,695.10 and 513,254.01

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Solution

The fourth proportional to 662,057.49, 993,695.10 and 513,254.01 is: 770,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,057.49 : 993,695.10 = 513,254.01 : x
  2. Step 2: Convert to fraction form
    662,057.49/993,695.10 = 513,254.01/x
  3. Step 3: Cross multiply
    662,057.49x = 993,695.10 × 513,254.01
  4. Step 4: Simplify right side
    662,057.49x = 510,017,994,792.35
  5. Step 5: Solve for x
    x = 510,017,994,792.35/662,057.49
  6. Step 6: Final answer
    x = 770,353.03

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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.