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Finding the Fourth Proportional to 560,801.18, 773,901.68 and 306,152.36

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Solution

The fourth proportional to 560,801.18, 773,901.68 and 306,152.36 is: 422,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,801.18 : 773,901.68 = 306,152.36 : x
  2. Step 2: Convert to fraction form
    560,801.18/773,901.68 = 306,152.36/x
  3. Step 3: Cross multiply
    560,801.18x = 773,901.68 × 306,152.36
  4. Step 4: Simplify right side
    560,801.18x = 236,931,825,739.97
  5. Step 5: Solve for x
    x = 236,931,825,739.97/560,801.18
  6. Step 6: Final answer
    x = 422,488.10

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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.