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Finding the Fourth Proportional to 314,969.50, 472,454.25 and 93,353.50

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Solution

The fourth proportional to 314,969.50, 472,454.25 and 93,353.50 is: 140,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,969.50 : 472,454.25 = 93,353.50 : x
  2. Step 2: Convert to fraction form
    314,969.50/472,454.25 = 93,353.50/x
  3. Step 3: Cross multiply
    314,969.50x = 472,454.25 × 93,353.50
  4. Step 4: Simplify right side
    314,969.50x = 44,105,257,827.38
  5. Step 5: Solve for x
    x = 44,105,257,827.38/314,969.50
  6. Step 6: Final answer
    x = 140,030.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.