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Finding the Fourth Proportional to 350,555.16, 525,602.70 and 125,802.84

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Solution

The fourth proportional to 350,555.16, 525,602.70 and 125,802.84 is: 188,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,555.16 : 525,602.70 = 125,802.84 : x
  2. Step 2: Convert to fraction form
    350,555.16/525,602.70 = 125,802.84/x
  3. Step 3: Cross multiply
    350,555.16x = 525,602.70 × 125,802.84
  4. Step 4: Simplify right side
    350,555.16x = 66,122,312,371.67
  5. Step 5: Solve for x
    x = 66,122,312,371.67/350,555.16
  6. Step 6: Final answer
    x = 188,621.71

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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.