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Finding the Fourth Proportional to 1,168,335, 1,612,302.38 and 631,791

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Solution

The fourth proportional to 1,168,335, 1,612,302.38 and 631,791 is: 871,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,335 : 1,612,302.38 = 631,791 : x
  2. Step 2: Convert to fraction form
    1,168,335/1,612,302.38 = 631,791/x
  3. Step 3: Cross multiply
    1,168,335x = 1,612,302.38 × 631,791
  4. Step 4: Simplify right side
    1,168,335x = 1,018,638,132,962.58
  5. Step 5: Solve for x
    x = 1,018,638,132,962.58/1,168,335
  6. Step 6: Final answer
    x = 871,871.62

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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.