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Finding the Fourth Proportional to 452,303.16, 678,532.98 and 152,785.92

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Solution

The fourth proportional to 452,303.16, 678,532.98 and 152,785.92 is: 229,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,303.16 : 678,532.98 = 152,785.92 : x
  2. Step 2: Convert to fraction form
    452,303.16/678,532.98 = 152,785.92/x
  3. Step 3: Cross multiply
    452,303.16x = 678,532.98 × 152,785.92
  4. Step 4: Simplify right side
    452,303.16x = 103,670,285,599.64
  5. Step 5: Solve for x
    x = 103,670,285,599.64/452,303.16
  6. Step 6: Final answer
    x = 229,205.31

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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.