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Finding the Fourth Proportional to 593,083.20, 889,624.80 and 435,619.20

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Solution

The fourth proportional to 593,083.20, 889,624.80 and 435,619.20 is: 653,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,083.20 : 889,624.80 = 435,619.20 : x
  2. Step 2: Convert to fraction form
    593,083.20/889,624.80 = 435,619.20/x
  3. Step 3: Cross multiply
    593,083.20x = 889,624.80 × 435,619.20
  4. Step 4: Simplify right side
    593,083.20x = 387,537,643,676.16
  5. Step 5: Solve for x
    x = 387,537,643,676.16/593,083.20
  6. Step 6: Final answer
    x = 653,428.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.