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Finding the Fourth Proportional to 516,492.93, 774,710.24 and 161,465.07

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Solution

The fourth proportional to 516,492.93, 774,710.24 and 161,465.07 is: 242,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,492.93 : 774,710.24 = 161,465.07 : x
  2. Step 2: Convert to fraction form
    516,492.93/774,710.24 = 161,465.07/x
  3. Step 3: Cross multiply
    516,492.93x = 774,710.24 × 161,465.07
  4. Step 4: Simplify right side
    516,492.93x = 125,088,642,323.99
  5. Step 5: Solve for x
    x = 125,088,642,323.99/516,492.93
  6. Step 6: Final answer
    x = 242,188.49

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Similar ratio
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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.