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Finding the Fourth Proportional to 620,040.80, 930,061.20 and 596,421.20

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Solution

The fourth proportional to 620,040.80, 930,061.20 and 596,421.20 is: 894,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,040.80 : 930,061.20 = 596,421.20 : x
  2. Step 2: Convert to fraction form
    620,040.80/930,061.20 = 596,421.20/x
  3. Step 3: Cross multiply
    620,040.80x = 930,061.20 × 596,421.20
  4. Step 4: Simplify right side
    620,040.80x = 554,708,216,977.44
  5. Step 5: Solve for x
    x = 554,708,216,977.44/620,040.80
  6. Step 6: Final answer
    x = 894,631.80

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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.