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Finding the Fourth Proportional to 371,116.04, 511,801.98 and 313,875.38

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Solution

The fourth proportional to 371,116.04, 511,801.98 and 313,875.38 is: 432,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,116.04 : 511,801.98 = 313,875.38 : x
  2. Step 2: Convert to fraction form
    371,116.04/511,801.98 = 313,875.38/x
  3. Step 3: Cross multiply
    371,116.04x = 511,801.98 × 313,875.38
  4. Step 4: Simplify right side
    371,116.04x = 160,642,040,957.25
  5. Step 5: Solve for x
    x = 160,642,040,957.25/371,116.04
  6. Step 6: Final answer
    x = 432,862.03

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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.