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Finding the Fourth Proportional to 352,681.24, 486,686.28 and 191,532.64

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Solution

The fourth proportional to 352,681.24, 486,686.28 and 191,532.64 is: 264,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,681.24 : 486,686.28 = 191,532.64 : x
  2. Step 2: Convert to fraction form
    352,681.24/486,686.28 = 191,532.64/x
  3. Step 3: Cross multiply
    352,681.24x = 486,686.28 × 191,532.64
  4. Step 4: Simplify right side
    352,681.24x = 93,216,308,060.18
  5. Step 5: Solve for x
    x = 93,216,308,060.18/352,681.24
  6. Step 6: Final answer
    x = 264,307.53

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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.