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Finding the Fourth Proportional to 484,047.40, 726,848.70 and 365,852.20

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Solution

The fourth proportional to 484,047.40, 726,848.70 and 365,852.20 is: 549,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,047.40 : 726,848.70 = 365,852.20 : x
  2. Step 2: Convert to fraction form
    484,047.40/726,848.70 = 365,852.20/x
  3. Step 3: Cross multiply
    484,047.40x = 726,848.70 × 365,852.20
  4. Step 4: Simplify right side
    484,047.40x = 265,919,195,962.14
  5. Step 5: Solve for x
    x = 265,919,195,962.14/484,047.40
  6. Step 6: Final answer
    x = 549,366.02

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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.