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Finding the Fourth Proportional to 480,323.64, 720,500.04 and 164,776

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Solution

The fourth proportional to 480,323.64, 720,500.04 and 164,776 is: 247,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,323.64 : 720,500.04 = 164,776 : x
  2. Step 2: Convert to fraction form
    480,323.64/720,500.04 = 164,776/x
  3. Step 3: Cross multiply
    480,323.64x = 720,500.04 × 164,776
  4. Step 4: Simplify right side
    480,323.64x = 118,721,114,591.04
  5. Step 5: Solve for x
    x = 118,721,114,591.04/480,323.64
  6. Step 6: Final answer
    x = 247,169.00

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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.