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Finding the Fourth Proportional to 480,325.01, 720,461.52 and 243,661.55

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Solution

The fourth proportional to 480,325.01, 720,461.52 and 243,661.55 is: 365,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,325.01 : 720,461.52 = 243,661.55 : x
  2. Step 2: Convert to fraction form
    480,325.01/720,461.52 = 243,661.55/x
  3. Step 3: Cross multiply
    480,325.01x = 720,461.52 × 243,661.55
  4. Step 4: Simplify right side
    480,325.01x = 175,548,767,076.25
  5. Step 5: Solve for x
    x = 175,548,767,076.25/480,325.01
  6. Step 6: Final answer
    x = 365,479.13

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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.