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Finding the Fourth Proportional to 431,111.84, 594,934.51 and 249,928.80

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Solution

The fourth proportional to 431,111.84, 594,934.51 and 249,928.80 is: 344,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,111.84 : 594,934.51 = 249,928.80 : x
  2. Step 2: Convert to fraction form
    431,111.84/594,934.51 = 249,928.80/x
  3. Step 3: Cross multiply
    431,111.84x = 594,934.51 × 249,928.80
  4. Step 4: Simplify right side
    431,111.84x = 148,691,269,607.35
  5. Step 5: Solve for x
    x = 148,691,269,607.35/431,111.84
  6. Step 6: Final answer
    x = 344,901.84

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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.