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Finding the Fourth Proportional to 559,597.80, 772,243.72 and 304,948.36

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Solution

The fourth proportional to 559,597.80, 772,243.72 and 304,948.36 is: 420,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,597.80 : 772,243.72 = 304,948.36 : x
  2. Step 2: Convert to fraction form
    559,597.80/772,243.72 = 304,948.36/x
  3. Step 3: Cross multiply
    559,597.80x = 772,243.72 × 304,948.36
  4. Step 4: Simplify right side
    559,597.80x = 235,494,455,934.30
  5. Step 5: Solve for x
    x = 235,494,455,934.30/559,597.80
  6. Step 6: Final answer
    x = 420,828.06

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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.