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Finding the Fourth Proportional to 416,638.32, 624,828.52 and 150,365.13

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Solution

The fourth proportional to 416,638.32, 624,828.52 and 150,365.13 is: 225,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,638.32 : 624,828.52 = 150,365.13 : x
  2. Step 2: Convert to fraction form
    416,638.32/624,828.52 = 150,365.13/x
  3. Step 3: Cross multiply
    416,638.32x = 624,828.52 × 150,365.13
  4. Step 4: Simplify right side
    416,638.32x = 93,952,421,637.51
  5. Step 5: Solve for x
    x = 93,952,421,637.51/416,638.32
  6. Step 6: Final answer
    x = 225,501.15

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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.