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Finding the Fourth Proportional to 556,674.81, 768,211.29 and 302,026.02

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Solution

The fourth proportional to 556,674.81, 768,211.29 and 302,026.02 is: 416,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,674.81 : 768,211.29 = 302,026.02 : x
  2. Step 2: Convert to fraction form
    556,674.81/768,211.29 = 302,026.02/x
  3. Step 3: Cross multiply
    556,674.81x = 768,211.29 × 302,026.02
  4. Step 4: Simplify right side
    556,674.81x = 232,019,798,437.77
  5. Step 5: Solve for x
    x = 232,019,798,437.77/556,674.81
  6. Step 6: Final answer
    x = 416,795.94

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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.