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Finding the Fourth Proportional to 669,785.54, 924,300.33 and 363,859.47

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Solution

The fourth proportional to 669,785.54, 924,300.33 and 363,859.47 is: 502,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,785.54 : 924,300.33 = 363,859.47 : x
  2. Step 2: Convert to fraction form
    669,785.54/924,300.33 = 363,859.47/x
  3. Step 3: Cross multiply
    669,785.54x = 924,300.33 × 363,859.47
  4. Step 4: Simplify right side
    669,785.54x = 336,315,426,830.15
  5. Step 5: Solve for x
    x = 336,315,426,830.15/669,785.54
  6. Step 6: Final answer
    x = 502,124.05

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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.