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Finding the Fourth Proportional to 431,105.18, 594,925.31 and 249,922.13

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Solution

The fourth proportional to 431,105.18, 594,925.31 and 249,922.13 is: 344,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,105.18 : 594,925.31 = 249,922.13 : x
  2. Step 2: Convert to fraction form
    431,105.18/594,925.31 = 249,922.13/x
  3. Step 3: Cross multiply
    431,105.18x = 594,925.31 × 249,922.13
  4. Step 4: Simplify right side
    431,105.18x = 148,685,000,903.81
  5. Step 5: Solve for x
    x = 148,685,000,903.81/431,105.18
  6. Step 6: Final answer
    x = 344,892.64

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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.