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Finding the Fourth Proportional to 364,097.40, 502,307.10 and 220,805.16

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Solution

The fourth proportional to 364,097.40, 502,307.10 and 220,805.16 is: 304,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,097.40 : 502,307.10 = 220,805.16 : x
  2. Step 2: Convert to fraction form
    364,097.40/502,307.10 = 220,805.16/x
  3. Step 3: Cross multiply
    364,097.40x = 502,307.10 × 220,805.16
  4. Step 4: Simplify right side
    364,097.40x = 110,911,999,584.64
  5. Step 5: Solve for x
    x = 110,911,999,584.64/364,097.40
  6. Step 6: Final answer
    x = 304,621.78

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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.