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Finding the Fourth Proportional to 702,305.16, 968,266.08 and 447,563.40

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Solution

The fourth proportional to 702,305.16, 968,266.08 and 447,563.40 is: 617,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,305.16 : 968,266.08 = 447,563.40 : x
  2. Step 2: Convert to fraction form
    702,305.16/968,266.08 = 447,563.40/x
  3. Step 3: Cross multiply
    702,305.16x = 968,266.08 × 447,563.40
  4. Step 4: Simplify right side
    702,305.16x = 433,360,458,869.47
  5. Step 5: Solve for x
    x = 433,360,458,869.47/702,305.16
  6. Step 6: Final answer
    x = 617,054.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.