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Finding the Fourth Proportional to 316,607.08, 474,156.72 and 183,206.20

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Solution

The fourth proportional to 316,607.08, 474,156.72 and 183,206.20 is: 274,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,607.08 : 474,156.72 = 183,206.20 : x
  2. Step 2: Convert to fraction form
    316,607.08/474,156.72 = 183,206.20/x
  3. Step 3: Cross multiply
    316,607.08x = 474,156.72 × 183,206.20
  4. Step 4: Simplify right side
    316,607.08x = 86,868,450,875.66
  5. Step 5: Solve for x
    x = 86,868,450,875.66/316,607.08
  6. Step 6: Final answer
    x = 274,373.05

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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.