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Finding the Fourth Proportional to 473,670.60, 653,955.03 and 308,256.18

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Solution

The fourth proportional to 473,670.60, 653,955.03 and 308,256.18 is: 425,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,670.60 : 653,955.03 = 308,256.18 : x
  2. Step 2: Convert to fraction form
    473,670.60/653,955.03 = 308,256.18/x
  3. Step 3: Cross multiply
    473,670.60x = 653,955.03 × 308,256.18
  4. Step 4: Simplify right side
    473,670.60x = 201,585,679,439.59
  5. Step 5: Solve for x
    x = 201,585,679,439.59/473,670.60
  6. Step 6: Final answer
    x = 425,582.00

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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.