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Finding the Fourth Proportional to 544,874.68, 817,312.68 and 260,498.36

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Solution

The fourth proportional to 544,874.68, 817,312.68 and 260,498.36 is: 390,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,874.68 : 817,312.68 = 260,498.36 : x
  2. Step 2: Convert to fraction form
    544,874.68/817,312.68 = 260,498.36/x
  3. Step 3: Cross multiply
    544,874.68x = 817,312.68 × 260,498.36
  4. Step 4: Simplify right side
    544,874.68x = 212,908,614,790.49
  5. Step 5: Solve for x
    x = 212,908,614,790.49/544,874.68
  6. Step 6: Final answer
    x = 390,747.86

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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.