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Finding the Fourth Proportional to 488,032.80, 730,623.60 and 348,064.80

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Solution

The fourth proportional to 488,032.80, 730,623.60 and 348,064.80 is: 521,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,032.80 : 730,623.60 = 348,064.80 : x
  2. Step 2: Convert to fraction form
    488,032.80/730,623.60 = 348,064.80/x
  3. Step 3: Cross multiply
    488,032.80x = 730,623.60 × 348,064.80
  4. Step 4: Simplify right side
    488,032.80x = 254,304,357,209.28
  5. Step 5: Solve for x
    x = 254,304,357,209.28/488,032.80
  6. Step 6: Final answer
    x = 521,080.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.