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Finding the Fourth Proportional to 707,107.51, 975,779.22 and 384,818.23

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Solution

The fourth proportional to 707,107.51, 975,779.22 and 384,818.23 is: 531,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,107.51 : 975,779.22 = 384,818.23 : x
  2. Step 2: Convert to fraction form
    707,107.51/975,779.22 = 384,818.23/x
  3. Step 3: Cross multiply
    707,107.51x = 975,779.22 × 384,818.23
  4. Step 4: Simplify right side
    707,107.51x = 375,497,632,311.18
  5. Step 5: Solve for x
    x = 375,497,632,311.18/707,107.51
  6. Step 6: Final answer
    x = 531,033.30

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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.