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Finding the Fourth Proportional to 556,423.02, 834,633.20 and 365,502.57

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Solution

The fourth proportional to 556,423.02, 834,633.20 and 365,502.57 is: 548,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,423.02 : 834,633.20 = 365,502.57 : x
  2. Step 2: Convert to fraction form
    556,423.02/834,633.20 = 365,502.57/x
  3. Step 3: Cross multiply
    556,423.02x = 834,633.20 × 365,502.57
  4. Step 4: Simplify right side
    556,423.02x = 305,060,577,779.81
  5. Step 5: Solve for x
    x = 305,060,577,779.81/556,423.02
  6. Step 6: Final answer
    x = 548,252.98

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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.