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Finding the Fourth Proportional to 444,357.04, 612,574.80 and 316,811.20

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Solution

The fourth proportional to 444,357.04, 612,574.80 and 316,811.20 is: 436,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,357.04 : 612,574.80 = 316,811.20 : x
  2. Step 2: Convert to fraction form
    444,357.04/612,574.80 = 316,811.20/x
  3. Step 3: Cross multiply
    444,357.04x = 612,574.80 × 316,811.20
  4. Step 4: Simplify right side
    444,357.04x = 194,070,557,477.76
  5. Step 5: Solve for x
    x = 194,070,557,477.76/444,357.04
  6. Step 6: Final answer
    x = 436,744.64

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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.