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Finding the Fourth Proportional to 669,785.64, 924,300.52 and 363,859.60

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Solution

The fourth proportional to 669,785.64, 924,300.52 and 363,859.60 is: 502,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,785.64 : 924,300.52 = 363,859.60 : x
  2. Step 2: Convert to fraction form
    669,785.64/924,300.52 = 363,859.60/x
  3. Step 3: Cross multiply
    669,785.64x = 924,300.52 × 363,859.60
  4. Step 4: Simplify right side
    669,785.64x = 336,315,617,486.99
  5. Step 5: Solve for x
    x = 336,315,617,486.99/669,785.64
  6. Step 6: Final answer
    x = 502,124.26

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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.