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Finding the Fourth Proportional to 480,656.25, 663,294.69 and 265,798.08

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Solution

The fourth proportional to 480,656.25, 663,294.69 and 265,798.08 is: 366,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,656.25 : 663,294.69 = 265,798.08 : x
  2. Step 2: Convert to fraction form
    480,656.25/663,294.69 = 265,798.08/x
  3. Step 3: Cross multiply
    480,656.25x = 663,294.69 × 265,798.08
  4. Step 4: Simplify right side
    480,656.25x = 176,302,455,076.20
  5. Step 5: Solve for x
    x = 176,302,455,076.20/480,656.25
  6. Step 6: Final answer
    x = 366,795.30

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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.