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Finding the Fourth Proportional to 523,571.15, 785,357.01 and 149,594.15

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Solution

The fourth proportional to 523,571.15, 785,357.01 and 149,594.15 is: 224,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,571.15 : 785,357.01 = 149,594.15 : x
  2. Step 2: Convert to fraction form
    523,571.15/785,357.01 = 149,594.15/x
  3. Step 3: Cross multiply
    523,571.15x = 785,357.01 × 149,594.15
  4. Step 4: Simplify right side
    523,571.15x = 117,484,810,430.71
  5. Step 5: Solve for x
    x = 117,484,810,430.71/523,571.15
  6. Step 6: Final answer
    x = 224,391.30

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Similar ratio
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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.