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Finding the Fourth Proportional to 607,497.40, 911,246.10 and 186,718.60

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Solution

The fourth proportional to 607,497.40, 911,246.10 and 186,718.60 is: 280,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,497.40 : 911,246.10 = 186,718.60 : x
  2. Step 2: Convert to fraction form
    607,497.40/911,246.10 = 186,718.60/x
  3. Step 3: Cross multiply
    607,497.40x = 911,246.10 × 186,718.60
  4. Step 4: Simplify right side
    607,497.40x = 170,146,596,047.46
  5. Step 5: Solve for x
    x = 170,146,596,047.46/607,497.40
  6. Step 6: Final answer
    x = 280,077.90

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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.