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Finding the Fourth Proportional to 575,903.10, 794,745.34 and 317,779.84

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Solution

The fourth proportional to 575,903.10, 794,745.34 and 317,779.84 is: 438,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,903.10 : 794,745.34 = 317,779.84 : x
  2. Step 2: Convert to fraction form
    575,903.10/794,745.34 = 317,779.84/x
  3. Step 3: Cross multiply
    575,903.10x = 794,745.34 × 317,779.84
  4. Step 4: Simplify right side
    575,903.10x = 252,554,049,767.26
  5. Step 5: Solve for x
    x = 252,554,049,767.26/575,903.10
  6. Step 6: Final answer
    x = 438,535.67

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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.