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Finding the Fourth Proportional to 677,955.58, 935,576.10 and 372,037.12

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Solution

The fourth proportional to 677,955.58, 935,576.10 and 372,037.12 is: 513,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,955.58 : 935,576.10 = 372,037.12 : x
  2. Step 2: Convert to fraction form
    677,955.58/935,576.10 = 372,037.12/x
  3. Step 3: Cross multiply
    677,955.58x = 935,576.10 × 372,037.12
  4. Step 4: Simplify right side
    677,955.58x = 348,069,037,784.83
  5. Step 5: Solve for x
    x = 348,069,037,784.83/677,955.58
  6. Step 6: Final answer
    x = 513,409.80

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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.