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Finding the Fourth Proportional to 611,511.84, 917,426.16 and 232,439.04

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Solution

The fourth proportional to 611,511.84, 917,426.16 and 232,439.04 is: 348,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,511.84 : 917,426.16 = 232,439.04 : x
  2. Step 2: Convert to fraction form
    611,511.84/917,426.16 = 232,439.04/x
  3. Step 3: Cross multiply
    611,511.84x = 917,426.16 × 232,439.04
  4. Step 4: Simplify right side
    611,511.84x = 213,245,655,901.29
  5. Step 5: Solve for x
    x = 213,245,655,901.29/611,511.84
  6. Step 6: Final answer
    x = 348,718.77

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1.5x scale

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.