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Finding the Fourth Proportional to 591,437.54, 816,164.32 and 373,762.54

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Solution

The fourth proportional to 591,437.54, 816,164.32 and 373,762.54 is: 515,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,437.54 : 816,164.32 = 373,762.54 : x
  2. Step 2: Convert to fraction form
    591,437.54/816,164.32 = 373,762.54/x
  3. Step 3: Cross multiply
    591,437.54x = 816,164.32 × 373,762.54
  4. Step 4: Simplify right side
    591,437.54x = 305,051,649,300.57
  5. Step 5: Solve for x
    x = 305,051,649,300.57/591,437.54
  6. Step 6: Final answer
    x = 515,779.99

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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.