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Finding the Fourth Proportional to 443,098.36, 611,528.34 and 249,512.32

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Solution

The fourth proportional to 443,098.36, 611,528.34 and 249,512.32 is: 344,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,098.36 : 611,528.34 = 249,512.32 : x
  2. Step 2: Convert to fraction form
    443,098.36/611,528.34 = 249,512.32/x
  3. Step 3: Cross multiply
    443,098.36x = 611,528.34 × 249,512.32
  4. Step 4: Simplify right side
    443,098.36x = 152,583,854,859.15
  5. Step 5: Solve for x
    x = 152,583,854,859.15/443,098.36
  6. Step 6: Final answer
    x = 344,356.62

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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.