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Finding the Fourth Proportional to 473,361.30, 708,875.55 and 314,730.90

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Solution

The fourth proportional to 473,361.30, 708,875.55 and 314,730.90 is: 471,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,361.30 : 708,875.55 = 314,730.90 : x
  2. Step 2: Convert to fraction form
    473,361.30/708,875.55 = 314,730.90/x
  3. Step 3: Cross multiply
    473,361.30x = 708,875.55 × 314,730.90
  4. Step 4: Simplify right side
    473,361.30x = 223,105,039,839.50
  5. Step 5: Solve for x
    x = 223,105,039,839.50/473,361.30
  6. Step 6: Final answer
    x = 471,320.83

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