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Finding the Fourth Proportional to 670,129.40, 924,778.60 and 364,206.52

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Solution

The fourth proportional to 670,129.40, 924,778.60 and 364,206.52 is: 502,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,129.40 : 924,778.60 = 364,206.52 : x
  2. Step 2: Convert to fraction form
    670,129.40/924,778.60 = 364,206.52/x
  3. Step 3: Cross multiply
    670,129.40x = 924,778.60 × 364,206.52
  4. Step 4: Simplify right side
    670,129.40x = 336,810,395,676.47
  5. Step 5: Solve for x
    x = 336,810,395,676.47/670,129.40
  6. Step 6: Final answer
    x = 502,605.01

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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.