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Finding the Fourth Proportional to 304,804.89, 457,488 and 155,152.13

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Solution

The fourth proportional to 304,804.89, 457,488 and 155,152.13 is: 232,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,804.89 : 457,488 = 155,152.13 : x
  2. Step 2: Convert to fraction form
    304,804.89/457,488 = 155,152.13/x
  3. Step 3: Cross multiply
    304,804.89x = 457,488 × 155,152.13
  4. Step 4: Simplify right side
    304,804.89x = 70,980,235,362
  5. Step 5: Solve for x
    x = 70,980,235,362/304,804.89
  6. Step 6: Final answer
    x = 232,871.05

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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.