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Finding the Fourth Proportional to 267,214.60, 368,762.12 and 152,490.95

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Solution

The fourth proportional to 267,214.60, 368,762.12 and 152,490.95 is: 210,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,214.60 : 368,762.12 = 152,490.95 : x
  2. Step 2: Convert to fraction form
    267,214.60/368,762.12 = 152,490.95/x
  3. Step 3: Cross multiply
    267,214.60x = 368,762.12 × 152,490.95
  4. Step 4: Simplify right side
    267,214.60x = 56,232,886,002.81
  5. Step 5: Solve for x
    x = 56,232,886,002.81/267,214.60
  6. Step 6: Final answer
    x = 210,440.92

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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.