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Finding the Fourth Proportional to 615,265.40, 923,027.70 and 260,096.60

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Solution

The fourth proportional to 615,265.40, 923,027.70 and 260,096.60 is: 390,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,265.40 : 923,027.70 = 260,096.60 : x
  2. Step 2: Convert to fraction form
    615,265.40/923,027.70 = 260,096.60/x
  3. Step 3: Cross multiply
    615,265.40x = 923,027.70 × 260,096.60
  4. Step 4: Simplify right side
    615,265.40x = 240,076,366,475.82
  5. Step 5: Solve for x
    x = 240,076,366,475.82/615,265.40
  6. Step 6: Final answer
    x = 390,199.69

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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.