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Finding the Fourth Proportional to 670,119.69, 924,772.31 and 364,196.09

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Solution

The fourth proportional to 670,119.69, 924,772.31 and 364,196.09 is: 502,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,119.69 : 924,772.31 = 364,196.09 : x
  2. Step 2: Convert to fraction form
    670,119.69/924,772.31 = 364,196.09/x
  3. Step 3: Cross multiply
    670,119.69x = 924,772.31 × 364,196.09
  4. Step 4: Simplify right side
    670,119.69x = 336,798,455,728.90
  5. Step 5: Solve for x
    x = 336,798,455,728.90/670,119.69
  6. Step 6: Final answer
    x = 502,594.48

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Double scale
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1.5x scale

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.