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Finding the Fourth Proportional to 868,151.10, 1,300,477.05 and 584,715.90

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Solution

The fourth proportional to 868,151.10, 1,300,477.05 and 584,715.90 is: 875,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,151.10 : 1,300,477.05 = 584,715.90 : x
  2. Step 2: Convert to fraction form
    868,151.10/1,300,477.05 = 584,715.90/x
  3. Step 3: Cross multiply
    868,151.10x = 1,300,477.05 × 584,715.90
  4. Step 4: Simplify right side
    868,151.10x = 760,409,608,720.10
  5. Step 5: Solve for x
    x = 760,409,608,720.10/868,151.10
  6. Step 6: Final answer
    x = 875,895.46

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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.