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Finding the Fourth Proportional to 304,437.83, 456,410.63 and 127,077.59

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Solution

The fourth proportional to 304,437.83, 456,410.63 and 127,077.59 is: 190,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,437.83 : 456,410.63 = 127,077.59 : x
  2. Step 2: Convert to fraction form
    304,437.83/456,410.63 = 127,077.59/x
  3. Step 3: Cross multiply
    304,437.83x = 456,410.63 × 127,077.59
  4. Step 4: Simplify right side
    304,437.83x = 57,999,564,369.50
  5. Step 5: Solve for x
    x = 57,999,564,369.50/304,437.83
  6. Step 6: Final answer
    x = 190,513.66

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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.