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Finding the Fourth Proportional to 559,504.32, 772,106.24 and 304,857.60

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Solution

The fourth proportional to 559,504.32, 772,106.24 and 304,857.60 is: 420,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,504.32 : 772,106.24 = 304,857.60 : x
  2. Step 2: Convert to fraction form
    559,504.32/772,106.24 = 304,857.60/x
  3. Step 3: Cross multiply
    559,504.32x = 772,106.24 × 304,857.60
  4. Step 4: Simplify right side
    559,504.32x = 235,382,455,271.42
  5. Step 5: Solve for x
    x = 235,382,455,271.42/559,504.32
  6. Step 6: Final answer
    x = 420,698.19

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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.