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Finding the Fourth Proportional to 1,049,888, 1,448,845.44 and 572,960

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Solution

The fourth proportional to 1,049,888, 1,448,845.44 and 572,960 is: 790,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,888 : 1,448,845.44 = 572,960 : x
  2. Step 2: Convert to fraction form
    1,049,888/1,448,845.44 = 572,960/x
  3. Step 3: Cross multiply
    1,049,888x = 1,448,845.44 × 572,960
  4. Step 4: Simplify right side
    1,049,888x = 830,130,483,302.40
  5. Step 5: Solve for x
    x = 830,130,483,302.40/1,049,888
  6. Step 6: Final answer
    x = 790,684.80

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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.