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Finding the Fourth Proportional to 360,213.28, 537,748.32 and 312,987.04

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Solution

The fourth proportional to 360,213.28, 537,748.32 and 312,987.04 is: 467,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,213.28 : 537,748.32 = 312,987.04 : x
  2. Step 2: Convert to fraction form
    360,213.28/537,748.32 = 312,987.04/x
  3. Step 3: Cross multiply
    360,213.28x = 537,748.32 × 312,987.04
  4. Step 4: Simplify right side
    360,213.28x = 168,308,254,941.77
  5. Step 5: Solve for x
    x = 168,308,254,941.77/360,213.28
  6. Step 6: Final answer
    x = 467,246.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.