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Finding the Fourth Proportional to 530,852.40, 794,966.40 and 352,393.20

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Solution

The fourth proportional to 530,852.40, 794,966.40 and 352,393.20 is: 527,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,852.40 : 794,966.40 = 352,393.20 : x
  2. Step 2: Convert to fraction form
    530,852.40/794,966.40 = 352,393.20/x
  3. Step 3: Cross multiply
    530,852.40x = 794,966.40 × 352,393.20
  4. Step 4: Simplify right side
    530,852.40x = 280,140,753,588.48
  5. Step 5: Solve for x
    x = 280,140,753,588.48/530,852.40
  6. Step 6: Final answer
    x = 527,718.73

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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.