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Finding the Fourth Proportional to 1,168,336, 1,612,303.76 and 631,792

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Solution

The fourth proportional to 1,168,336, 1,612,303.76 and 631,792 is: 871,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,336 : 1,612,303.76 = 631,792 : x
  2. Step 2: Convert to fraction form
    1,168,336/1,612,303.76 = 631,792/x
  3. Step 3: Cross multiply
    1,168,336x = 1,612,303.76 × 631,792
  4. Step 4: Simplify right side
    1,168,336x = 1,018,640,617,137.92
  5. Step 5: Solve for x
    x = 1,018,640,617,137.92/1,168,336
  6. Step 6: Final answer
    x = 871,873.00

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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.