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Finding the Fourth Proportional to 556,174.86, 767,113.65 and 365,118.54

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Solution

The fourth proportional to 556,174.86, 767,113.65 and 365,118.54 is: 503,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,174.86 : 767,113.65 = 365,118.54 : x
  2. Step 2: Convert to fraction form
    556,174.86/767,113.65 = 365,118.54/x
  3. Step 3: Cross multiply
    556,174.86x = 767,113.65 × 365,118.54
  4. Step 4: Simplify right side
    556,174.86x = 280,087,415,902.07
  5. Step 5: Solve for x
    x = 280,087,415,902.07/556,174.86
  6. Step 6: Final answer
    x = 503,595.97

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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.