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Finding the Fourth Proportional to 615,515.10, 923,272.65 and 350,094.30

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Solution

The fourth proportional to 615,515.10, 923,272.65 and 350,094.30 is: 525,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,515.10 : 923,272.65 = 350,094.30 : x
  2. Step 2: Convert to fraction form
    615,515.10/923,272.65 = 350,094.30/x
  3. Step 3: Cross multiply
    615,515.10x = 923,272.65 × 350,094.30
  4. Step 4: Simplify right side
    615,515.10x = 323,232,492,110.90
  5. Step 5: Solve for x
    x = 323,232,492,110.90/615,515.10
  6. Step 6: Final answer
    x = 525,141.45

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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.