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Finding the Fourth Proportional to 300,058.84, 414,124.68 and 172,733.32

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Solution

The fourth proportional to 300,058.84, 414,124.68 and 172,733.32 is: 238,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,058.84 : 414,124.68 = 172,733.32 : x
  2. Step 2: Convert to fraction form
    300,058.84/414,124.68 = 172,733.32/x
  3. Step 3: Cross multiply
    300,058.84x = 414,124.68 × 172,733.32
  4. Step 4: Simplify right side
    300,058.84x = 71,533,130,870.34
  5. Step 5: Solve for x
    x = 71,533,130,870.34/300,058.84
  6. Step 6: Final answer
    x = 238,397.01

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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.