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Finding the Fourth Proportional to 669,923.70, 924,498.12 and 364,000.85

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Solution

The fourth proportional to 669,923.70, 924,498.12 and 364,000.85 is: 502,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,923.70 : 924,498.12 = 364,000.85 : x
  2. Step 2: Convert to fraction form
    669,923.70/924,498.12 = 364,000.85/x
  3. Step 3: Cross multiply
    669,923.70x = 924,498.12 × 364,000.85
  4. Step 4: Simplify right side
    669,923.70x = 336,518,106,913.09
  5. Step 5: Solve for x
    x = 336,518,106,913.09/669,923.70
  6. Step 6: Final answer
    x = 502,323.04

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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.