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Finding the Fourth Proportional to 615,975.60, 923,963.40 and 504,001.20

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Solution

The fourth proportional to 615,975.60, 923,963.40 and 504,001.20 is: 756,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,975.60 : 923,963.40 = 504,001.20 : x
  2. Step 2: Convert to fraction form
    615,975.60/923,963.40 = 504,001.20/x
  3. Step 3: Cross multiply
    615,975.60x = 923,963.40 × 504,001.20
  4. Step 4: Simplify right side
    615,975.60x = 465,678,662,356.08
  5. Step 5: Solve for x
    x = 465,678,662,356.08/615,975.60
  6. Step 6: Final answer
    x = 756,001.80

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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.