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Finding the Fourth Proportional to 670,019.60, 924,630.72 and 364,098.32

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Solution

The fourth proportional to 670,019.60, 924,630.72 and 364,098.32 is: 502,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,019.60 : 924,630.72 = 364,098.32 : x
  2. Step 2: Convert to fraction form
    670,019.60/924,630.72 = 364,098.32/x
  3. Step 3: Cross multiply
    670,019.60x = 924,630.72 × 364,098.32
  4. Step 4: Simplify right side
    670,019.60x = 336,656,491,772.39
  5. Step 5: Solve for x
    x = 336,656,491,772.39/670,019.60
  6. Step 6: Final answer
    x = 502,457.68

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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.