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Finding the Fourth Proportional to 693,514.08, 956,779.08 and 435,240.31

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Solution

The fourth proportional to 693,514.08, 956,779.08 and 435,240.31 is: 600,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,514.08 : 956,779.08 = 435,240.31 : x
  2. Step 2: Convert to fraction form
    693,514.08/956,779.08 = 435,240.31/x
  3. Step 3: Cross multiply
    693,514.08x = 956,779.08 × 435,240.31
  4. Step 4: Simplify right side
    693,514.08x = 416,428,823,380.72
  5. Step 5: Solve for x
    x = 416,428,823,380.72/693,514.08
  6. Step 6: Final answer
    x = 600,461.96

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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.