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Finding the Fourth Proportional to 673,075.62, 928,861.88 and 367,157.16

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Solution

The fourth proportional to 673,075.62, 928,861.88 and 367,157.16 is: 506,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,075.62 : 928,861.88 = 367,157.16 : x
  2. Step 2: Convert to fraction form
    673,075.62/928,861.88 = 367,157.16/x
  3. Step 3: Cross multiply
    673,075.62x = 928,861.88 × 367,157.16
  4. Step 4: Simplify right side
    673,075.62x = 341,038,288,057.28
  5. Step 5: Solve for x
    x = 341,038,288,057.28/673,075.62
  6. Step 6: Final answer
    x = 506,686.44

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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.