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Finding the Fourth Proportional to 492,152.40, 738,228.60 and 334,688.40

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Solution

The fourth proportional to 492,152.40, 738,228.60 and 334,688.40 is: 502,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,152.40 : 738,228.60 = 334,688.40 : x
  2. Step 2: Convert to fraction form
    492,152.40/738,228.60 = 334,688.40/x
  3. Step 3: Cross multiply
    492,152.40x = 738,228.60 × 334,688.40
  4. Step 4: Simplify right side
    492,152.40x = 247,076,548,968.24
  5. Step 5: Solve for x
    x = 247,076,548,968.24/492,152.40
  6. Step 6: Final answer
    x = 502,032.60

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Similar ratio
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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.