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Finding the Fourth Proportional to 617,292.40, 926,027.31 and 190,861.45

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Solution

The fourth proportional to 617,292.40, 926,027.31 and 190,861.45 is: 286,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,292.40 : 926,027.31 = 190,861.45 : x
  2. Step 2: Convert to fraction form
    617,292.40/926,027.31 = 190,861.45/x
  3. Step 3: Cross multiply
    617,292.40x = 926,027.31 × 190,861.45
  4. Step 4: Simplify right side
    617,292.40x = 176,742,915,126.20
  5. Step 5: Solve for x
    x = 176,742,915,126.20/617,292.40
  6. Step 6: Final answer
    x = 286,319.60

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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.