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Finding the Fourth Proportional to 586,119.20, 807,396.72 and 499,797.32

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Solution

The fourth proportional to 586,119.20, 807,396.72 and 499,797.32 is: 688,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,119.20 : 807,396.72 = 499,797.32 : x
  2. Step 2: Convert to fraction form
    586,119.20/807,396.72 = 499,797.32/x
  3. Step 3: Cross multiply
    586,119.20x = 807,396.72 × 499,797.32
  4. Step 4: Simplify right side
    586,119.20x = 403,534,716,832.79
  5. Step 5: Solve for x
    x = 403,534,716,832.79/586,119.20
  6. Step 6: Final answer
    x = 688,485.75

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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.