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Finding the Fourth Proportional to 365,000.80, 547,501.20 and 98,802.40

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Solution

The fourth proportional to 365,000.80, 547,501.20 and 98,802.40 is: 148,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,000.80 : 547,501.20 = 98,802.40 : x
  2. Step 2: Convert to fraction form
    365,000.80/547,501.20 = 98,802.40/x
  3. Step 3: Cross multiply
    365,000.80x = 547,501.20 × 98,802.40
  4. Step 4: Simplify right side
    365,000.80x = 54,094,432,562.88
  5. Step 5: Solve for x
    x = 54,094,432,562.88/365,000.80
  6. Step 6: Final answer
    x = 148,203.60

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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.