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Finding the Fourth Proportional to 615,699.24, 849,440.57 and 361,001.22

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Solution

The fourth proportional to 615,699.24, 849,440.57 and 361,001.22 is: 498,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,699.24 : 849,440.57 = 361,001.22 : x
  2. Step 2: Convert to fraction form
    615,699.24/849,440.57 = 361,001.22/x
  3. Step 3: Cross multiply
    615,699.24x = 849,440.57 × 361,001.22
  4. Step 4: Simplify right side
    615,699.24x = 306,649,080,282.49
  5. Step 5: Solve for x
    x = 306,649,080,282.49/615,699.24
  6. Step 6: Final answer
    x = 498,050.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.