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Finding the Fourth Proportional to 676,435.07, 933,489.95 and 370,505.22

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Solution

The fourth proportional to 676,435.07, 933,489.95 and 370,505.22 is: 511,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,435.07 : 933,489.95 = 370,505.22 : x
  2. Step 2: Convert to fraction form
    676,435.07/933,489.95 = 370,505.22/x
  3. Step 3: Cross multiply
    676,435.07x = 933,489.95 × 370,505.22
  4. Step 4: Simplify right side
    676,435.07x = 345,862,897,440.01
  5. Step 5: Solve for x
    x = 345,862,897,440.01/676,435.07
  6. Step 6: Final answer
    x = 511,302.44

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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.