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Finding the Fourth Proportional to 480,482.93, 663,015.71 and 265,588.31

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Solution

The fourth proportional to 480,482.93, 663,015.71 and 265,588.31 is: 366,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,482.93 : 663,015.71 = 265,588.31 : x
  2. Step 2: Convert to fraction form
    480,482.93/663,015.71 = 265,588.31/x
  3. Step 3: Cross multiply
    480,482.93x = 663,015.71 × 265,588.31
  4. Step 4: Simplify right side
    480,482.93x = 176,089,220,594.41
  5. Step 5: Solve for x
    x = 176,089,220,594.41/480,482.93
  6. Step 6: Final answer
    x = 366,483.82

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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.