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Finding the Fourth Proportional to 462,230.88, 637,814.40 and 258,256.32

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Solution

The fourth proportional to 462,230.88, 637,814.40 and 258,256.32 is: 356,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,230.88 : 637,814.40 = 258,256.32 : x
  2. Step 2: Convert to fraction form
    462,230.88/637,814.40 = 258,256.32/x
  3. Step 3: Cross multiply
    462,230.88x = 637,814.40 × 258,256.32
  4. Step 4: Simplify right side
    462,230.88x = 164,719,599,787.01
  5. Step 5: Solve for x
    x = 164,719,599,787.01/462,230.88
  6. Step 6: Final answer
    x = 356,357.84

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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.