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Finding the Fourth Proportional to 551,330.70, 826,558.65 and 302,012.70

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Solution

The fourth proportional to 551,330.70, 826,558.65 and 302,012.70 is: 452,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,330.70 : 826,558.65 = 302,012.70 : x
  2. Step 2: Convert to fraction form
    551,330.70/826,558.65 = 302,012.70/x
  3. Step 3: Cross multiply
    551,330.70x = 826,558.65 × 302,012.70
  4. Step 4: Simplify right side
    551,330.70x = 249,631,209,594.86
  5. Step 5: Solve for x
    x = 249,631,209,594.86/551,330.70
  6. Step 6: Final answer
    x = 452,779.45

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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.