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Finding the Fourth Proportional to 480,191.90, 662,670.72 and 265,330.08

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Solution

The fourth proportional to 480,191.90, 662,670.72 and 265,330.08 is: 366,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,191.90 : 662,670.72 = 265,330.08 : x
  2. Step 2: Convert to fraction form
    480,191.90/662,670.72 = 265,330.08/x
  3. Step 3: Cross multiply
    480,191.90x = 662,670.72 × 265,330.08
  4. Step 4: Simplify right side
    480,191.90x = 175,826,475,151.26
  5. Step 5: Solve for x
    x = 175,826,475,151.26/480,191.90
  6. Step 6: Final answer
    x = 366,158.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.