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Finding the Fourth Proportional to 634,792.55, 876,013.74 and 362,866.37

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Solution

The fourth proportional to 634,792.55, 876,013.74 and 362,866.37 is: 500,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,792.55 : 876,013.74 = 362,866.37 : x
  2. Step 2: Convert to fraction form
    634,792.55/876,013.74 = 362,866.37/x
  3. Step 3: Cross multiply
    634,792.55x = 876,013.74 × 362,866.37
  4. Step 4: Simplify right side
    634,792.55x = 317,875,921,523.86
  5. Step 5: Solve for x
    x = 317,875,921,523.86/634,792.55
  6. Step 6: Final answer
    x = 500,755.60

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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.