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Finding the Fourth Proportional to 924,794.34, 1,387,978.86 and 364,222.50

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Solution

The fourth proportional to 924,794.34, 1,387,978.86 and 364,222.50 is: 546,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,794.34 : 1,387,978.86 = 364,222.50 : x
  2. Step 2: Convert to fraction form
    924,794.34/1,387,978.86 = 364,222.50/x
  3. Step 3: Cross multiply
    924,794.34x = 1,387,978.86 × 364,222.50
  4. Step 4: Simplify right side
    924,794.34x = 505,533,130,336.35
  5. Step 5: Solve for x
    x = 505,533,130,336.35/924,794.34
  6. Step 6: Final answer
    x = 546,643.84

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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.