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Finding the Fourth Proportional to 707,357.82, 975,865.32 and 435,343.62

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Solution

The fourth proportional to 707,357.82, 975,865.32 and 435,343.62 is: 600,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,357.82 : 975,865.32 = 435,343.62 : x
  2. Step 2: Convert to fraction form
    707,357.82/975,865.32 = 435,343.62/x
  3. Step 3: Cross multiply
    707,357.82x = 975,865.32 × 435,343.62
  4. Step 4: Simplify right side
    707,357.82x = 424,836,741,041.26
  5. Step 5: Solve for x
    x = 424,836,741,041.26/707,357.82
  6. Step 6: Final answer
    x = 600,596.66

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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.