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Finding the Fourth Proportional to 356,038.44, 534,426.71 and 238,530.93

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Solution

The fourth proportional to 356,038.44, 534,426.71 and 238,530.93 is: 358,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,038.44 : 534,426.71 = 238,530.93 : x
  2. Step 2: Convert to fraction form
    356,038.44/534,426.71 = 238,530.93/x
  3. Step 3: Cross multiply
    356,038.44x = 534,426.71 × 238,530.93
  4. Step 4: Simplify right side
    356,038.44x = 127,477,300,153.14
  5. Step 5: Solve for x
    x = 127,477,300,153.14/356,038.44
  6. Step 6: Final answer
    x = 358,043.64

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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.