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Finding the Fourth Proportional to 410,482.77, 566,154.49 and 353,218.05

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Solution

The fourth proportional to 410,482.77, 566,154.49 and 353,218.05 is: 487,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,482.77 : 566,154.49 = 353,218.05 : x
  2. Step 2: Convert to fraction form
    410,482.77/566,154.49 = 353,218.05/x
  3. Step 3: Cross multiply
    410,482.77x = 566,154.49 × 353,218.05
  4. Step 4: Simplify right side
    410,482.77x = 199,975,983,190.45
  5. Step 5: Solve for x
    x = 199,975,983,190.45/410,482.77
  6. Step 6: Final answer
    x = 487,172.67

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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.