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Finding the Fourth Proportional to 546,007.20, 819,010.80 and 535,509.60

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Solution

The fourth proportional to 546,007.20, 819,010.80 and 535,509.60 is: 803,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,007.20 : 819,010.80 = 535,509.60 : x
  2. Step 2: Convert to fraction form
    546,007.20/819,010.80 = 535,509.60/x
  3. Step 3: Cross multiply
    546,007.20x = 819,010.80 × 535,509.60
  4. Step 4: Simplify right side
    546,007.20x = 438,588,145,903.68
  5. Step 5: Solve for x
    x = 438,588,145,903.68/546,007.20
  6. Step 6: Final answer
    x = 803,264.40

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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.