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Finding the Fourth Proportional to 444,386.04, 612,614.82 and 316,840.20

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Solution

The fourth proportional to 444,386.04, 612,614.82 and 316,840.20 is: 436,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,386.04 : 612,614.82 = 316,840.20 : x
  2. Step 2: Convert to fraction form
    444,386.04/612,614.82 = 316,840.20/x
  3. Step 3: Cross multiply
    444,386.04x = 612,614.82 × 316,840.20
  4. Step 4: Simplify right side
    444,386.04x = 194,101,002,091.76
  5. Step 5: Solve for x
    x = 194,101,002,091.76/444,386.04
  6. Step 6: Final answer
    x = 436,784.65

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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.