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Finding the Fourth Proportional to 480,077.69, 662,497.58 and 265,212.23

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Solution

The fourth proportional to 480,077.69, 662,497.58 and 265,212.23 is: 365,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,077.69 : 662,497.58 = 265,212.23 : x
  2. Step 2: Convert to fraction form
    480,077.69/662,497.58 = 265,212.23/x
  3. Step 3: Cross multiply
    480,077.69x = 662,497.58 × 265,212.23
  4. Step 4: Simplify right side
    480,077.69x = 175,702,457,911.95
  5. Step 5: Solve for x
    x = 175,702,457,911.95/480,077.69
  6. Step 6: Final answer
    x = 365,987.55

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1.5x scale

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.