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Finding the Fourth Proportional to 304,216.40, 456,389.40 and 93,875.60

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Solution

The fourth proportional to 304,216.40, 456,389.40 and 93,875.60 is: 140,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,216.40 : 456,389.40 = 93,875.60 : x
  2. Step 2: Convert to fraction form
    304,216.40/456,389.40 = 93,875.60/x
  3. Step 3: Cross multiply
    304,216.40x = 456,389.40 × 93,875.60
  4. Step 4: Simplify right side
    304,216.40x = 42,843,828,758.64
  5. Step 5: Solve for x
    x = 42,843,828,758.64/304,216.40
  6. Step 6: Final answer
    x = 140,833.40

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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.