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Finding the Fourth Proportional to 907,266.40, 1,360,899.60 and 893,269.60

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Solution

The fourth proportional to 907,266.40, 1,360,899.60 and 893,269.60 is: 1,339,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,266.40 : 1,360,899.60 = 893,269.60 : x
  2. Step 2: Convert to fraction form
    907,266.40/1,360,899.60 = 893,269.60/x
  3. Step 3: Cross multiply
    907,266.40x = 1,360,899.60 × 893,269.60
  4. Step 4: Simplify right side
    907,266.40x = 1,215,650,241,332.16
  5. Step 5: Solve for x
    x = 1,215,650,241,332.16/907,266.40
  6. Step 6: Final answer
    x = 1,339,904.40

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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.