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Finding the Fourth Proportional to 616,999.32, 924,186.51 and 364,007.16

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Solution

The fourth proportional to 616,999.32, 924,186.51 and 364,007.16 is: 545,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,999.32 : 924,186.51 = 364,007.16 : x
  2. Step 2: Convert to fraction form
    616,999.32/924,186.51 = 364,007.16/x
  3. Step 3: Cross multiply
    616,999.32x = 924,186.51 × 364,007.16
  4. Step 4: Simplify right side
    616,999.32x = 336,410,506,815.41
  5. Step 5: Solve for x
    x = 336,410,506,815.41/616,999.32
  6. Step 6: Final answer
    x = 545,236.43

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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.