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Finding the Fourth Proportional to 907,272.90, 1,360,909.35 and 893,276.10

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Solution

The fourth proportional to 907,272.90, 1,360,909.35 and 893,276.10 is: 1,339,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,272.90 : 1,360,909.35 = 893,276.10 : x
  2. Step 2: Convert to fraction form
    907,272.90/1,360,909.35 = 893,276.10/x
  3. Step 3: Cross multiply
    907,272.90x = 1,360,909.35 × 893,276.10
  4. Step 4: Simplify right side
    907,272.90x = 1,215,667,796,621.54
  5. Step 5: Solve for x
    x = 1,215,667,796,621.54/907,272.90
  6. Step 6: Final answer
    x = 1,339,914.15

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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.