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Finding the Fourth Proportional to 359,567.64, 498,300.84 and 354,493.80

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Solution

The fourth proportional to 359,567.64, 498,300.84 and 354,493.80 is: 491,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,567.64 : 498,300.84 = 354,493.80 : x
  2. Step 2: Convert to fraction form
    359,567.64/498,300.84 = 354,493.80/x
  3. Step 3: Cross multiply
    359,567.64x = 498,300.84 × 354,493.80
  4. Step 4: Simplify right side
    359,567.64x = 176,644,558,314.79
  5. Step 5: Solve for x
    x = 176,644,558,314.79/359,567.64
  6. Step 6: Final answer
    x = 491,269.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.