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Finding the Fourth Proportional to 626,904.26, 865,348.62 and 372,253.64

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Solution

The fourth proportional to 626,904.26, 865,348.62 and 372,253.64 is: 513,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,904.26 : 865,348.62 = 372,253.64 : x
  2. Step 2: Convert to fraction form
    626,904.26/865,348.62 = 372,253.64/x
  3. Step 3: Cross multiply
    626,904.26x = 865,348.62 × 372,253.64
  4. Step 4: Simplify right side
    626,904.26x = 322,129,173,663.98
  5. Step 5: Solve for x
    x = 322,129,173,663.98/626,904.26
  6. Step 6: Final answer
    x = 513,841.10

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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.