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Finding the Fourth Proportional to 431,188.08, 595,071 and 249,946.80

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Solution

The fourth proportional to 431,188.08, 595,071 and 249,946.80 is: 344,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,188.08 : 595,071 = 249,946.80 : x
  2. Step 2: Convert to fraction form
    431,188.08/595,071 = 249,946.80/x
  3. Step 3: Cross multiply
    431,188.08x = 595,071 × 249,946.80
  4. Step 4: Simplify right side
    431,188.08x = 148,736,092,222.80
  5. Step 5: Solve for x
    x = 148,736,092,222.80/431,188.08
  6. Step 6: Final answer
    x = 344,944.81

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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.