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Finding the Fourth Proportional to 670,004.16, 924,236.64 and 424,539.84

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Solution

The fourth proportional to 670,004.16, 924,236.64 and 424,539.84 is: 585,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,004.16 : 924,236.64 = 424,539.84 : x
  2. Step 2: Convert to fraction form
    670,004.16/924,236.64 = 424,539.84/x
  3. Step 3: Cross multiply
    670,004.16x = 924,236.64 × 424,539.84
  4. Step 4: Simplify right side
    670,004.16x = 392,375,275,267.74
  5. Step 5: Solve for x
    x = 392,375,275,267.74/670,004.16
  6. Step 6: Final answer
    x = 585,631.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.