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Finding the Fourth Proportional to 314,347.58, 433,787.58 and 178,373.42

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Solution

The fourth proportional to 314,347.58, 433,787.58 and 178,373.42 is: 246,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,347.58 : 433,787.58 = 178,373.42 : x
  2. Step 2: Convert to fraction form
    314,347.58/433,787.58 = 178,373.42/x
  3. Step 3: Cross multiply
    314,347.58x = 433,787.58 × 178,373.42
  4. Step 4: Simplify right side
    314,347.58x = 77,376,172,029.19
  5. Step 5: Solve for x
    x = 77,376,172,029.19/314,347.58
  6. Step 6: Final answer
    x = 246,148.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.