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Finding the Fourth Proportional to 554,055.99, 764,597.27 and 299,407.17

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Solution

The fourth proportional to 554,055.99, 764,597.27 and 299,407.17 is: 413,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,055.99 : 764,597.27 = 299,407.17 : x
  2. Step 2: Convert to fraction form
    554,055.99/764,597.27 = 299,407.17/x
  3. Step 3: Cross multiply
    554,055.99x = 764,597.27 × 299,407.17
  4. Step 4: Simplify right side
    554,055.99x = 228,925,903,303.39
  5. Step 5: Solve for x
    x = 228,925,903,303.39/554,055.99
  6. Step 6: Final answer
    x = 413,181.89

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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.