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Finding the Fourth Proportional to 480,070.29, 662,485.36 and 265,230.93

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Solution

The fourth proportional to 480,070.29, 662,485.36 and 265,230.93 is: 366,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,070.29 : 662,485.36 = 265,230.93 : x
  2. Step 2: Convert to fraction form
    480,070.29/662,485.36 = 265,230.93/x
  3. Step 3: Cross multiply
    480,070.29x = 662,485.36 × 265,230.93
  4. Step 4: Simplify right side
    480,070.29x = 175,711,608,144.19
  5. Step 5: Solve for x
    x = 175,711,608,144.19/480,070.29
  6. Step 6: Final answer
    x = 366,012.25

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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.