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Finding the Fourth Proportional to 554,152.17, 829,729.05 and 287,351.82

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Solution

The fourth proportional to 554,152.17, 829,729.05 and 287,351.82 is: 430,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,152.17 : 829,729.05 = 287,351.82 : x
  2. Step 2: Convert to fraction form
    554,152.17/829,729.05 = 287,351.82/x
  3. Step 3: Cross multiply
    554,152.17x = 829,729.05 × 287,351.82
  4. Step 4: Simplify right side
    554,152.17x = 238,424,152,624.37
  5. Step 5: Solve for x
    x = 238,424,152,624.37/554,152.17
  6. Step 6: Final answer
    x = 430,250.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.