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Finding the Fourth Proportional to 615,972.77, 923,948.22 and 316,277.22

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Solution

The fourth proportional to 615,972.77, 923,948.22 and 316,277.22 is: 474,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,972.77 : 923,948.22 = 316,277.22 : x
  2. Step 2: Convert to fraction form
    615,972.77/923,948.22 = 316,277.22/x
  3. Step 3: Cross multiply
    615,972.77x = 923,948.22 × 316,277.22
  4. Step 4: Simplify right side
    615,972.77x = 292,223,777,317.33
  5. Step 5: Solve for x
    x = 292,223,777,317.33/615,972.77
  6. Step 6: Final answer
    x = 474,410.22

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Double scale
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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.