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Finding the Fourth Proportional to 528,775.28, 793,162.90 and 154,798.28

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Solution

The fourth proportional to 528,775.28, 793,162.90 and 154,798.28 is: 232,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,775.28 : 793,162.90 = 154,798.28 : x
  2. Step 2: Convert to fraction form
    528,775.28/793,162.90 = 154,798.28/x
  3. Step 3: Cross multiply
    528,775.28x = 793,162.90 × 154,798.28
  4. Step 4: Simplify right side
    528,775.28x = 122,780,252,679.81
  5. Step 5: Solve for x
    x = 122,780,252,679.81/528,775.28
  6. Step 6: Final answer
    x = 232,197.41

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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.