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Finding the Fourth Proportional to 609,509.12, 914,450.88 and 272,833.52

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Solution

The fourth proportional to 609,509.12, 914,450.88 and 272,833.52 is: 409,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,509.12 : 914,450.88 = 272,833.52 : x
  2. Step 2: Convert to fraction form
    609,509.12/914,450.88 = 272,833.52/x
  3. Step 3: Cross multiply
    609,509.12x = 914,450.88 × 272,833.52
  4. Step 4: Simplify right side
    609,509.12x = 249,492,852,457.50
  5. Step 5: Solve for x
    x = 249,492,852,457.50/609,509.12
  6. Step 6: Final answer
    x = 409,334.08

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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.