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Finding the Fourth Proportional to 358,335.40, 536,984.70 and 158,492.20

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Solution

The fourth proportional to 358,335.40, 536,984.70 and 158,492.20 is: 237,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,335.40 : 536,984.70 = 158,492.20 : x
  2. Step 2: Convert to fraction form
    358,335.40/536,984.70 = 158,492.20/x
  3. Step 3: Cross multiply
    358,335.40x = 536,984.70 × 158,492.20
  4. Step 4: Simplify right side
    358,335.40x = 85,107,886,469.34
  5. Step 5: Solve for x
    x = 85,107,886,469.34/358,335.40
  6. Step 6: Final answer
    x = 237,509.01

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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.