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Finding the Fourth Proportional to 317,281.66, 475,685.76 and 190,892.30

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Solution

The fourth proportional to 317,281.66, 475,685.76 and 190,892.30 is: 286,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,281.66 : 475,685.76 = 190,892.30 : x
  2. Step 2: Convert to fraction form
    317,281.66/475,685.76 = 190,892.30/x
  3. Step 3: Cross multiply
    317,281.66x = 475,685.76 × 190,892.30
  4. Step 4: Simplify right side
    317,281.66x = 90,804,748,803.65
  5. Step 5: Solve for x
    x = 90,804,748,803.65/317,281.66
  6. Step 6: Final answer
    x = 286,196.02

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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.