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Finding the Fourth Proportional to 499,938.48, 750,017.88 and 144,967.32

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Solution

The fourth proportional to 499,938.48, 750,017.88 and 144,967.32 is: 217,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,938.48 : 750,017.88 = 144,967.32 : x
  2. Step 2: Convert to fraction form
    499,938.48/750,017.88 = 144,967.32/x
  3. Step 3: Cross multiply
    499,938.48x = 750,017.88 × 144,967.32
  4. Step 4: Simplify right side
    499,938.48x = 108,728,082,015.68
  5. Step 5: Solve for x
    x = 108,728,082,015.68/499,938.48
  6. Step 6: Final answer
    x = 217,482.92

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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.