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Finding the Fourth Proportional to 633,009.60, 949,448.88 and 333,368.64

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Solution

The fourth proportional to 633,009.60, 949,448.88 and 333,368.64 is: 500,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,009.60 : 949,448.88 = 333,368.64 : x
  2. Step 2: Convert to fraction form
    633,009.60/949,448.88 = 333,368.64/x
  3. Step 3: Cross multiply
    633,009.60x = 949,448.88 × 333,368.64
  4. Step 4: Simplify right side
    633,009.60x = 316,516,481,875.12
  5. Step 5: Solve for x
    x = 316,516,481,875.12/633,009.60
  6. Step 6: Final answer
    x = 500,018.45

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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.