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Finding the Fourth Proportional to 444,326.04, 612,532.26 and 316,780.20

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Solution

The fourth proportional to 444,326.04, 612,532.26 and 316,780.20 is: 436,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,326.04 : 612,532.26 = 316,780.20 : x
  2. Step 2: Convert to fraction form
    444,326.04/612,532.26 = 316,780.20/x
  3. Step 3: Cross multiply
    444,326.04x = 612,532.26 × 316,780.20
  4. Step 4: Simplify right side
    444,326.04x = 194,038,091,829.25
  5. Step 5: Solve for x
    x = 194,038,091,829.25/444,326.04
  6. Step 6: Final answer
    x = 436,702.05

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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.