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Finding the Fourth Proportional to 677,549.30, 935,011.64 and 371,619.44

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Solution

The fourth proportional to 677,549.30, 935,011.64 and 371,619.44 is: 512,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,549.30 : 935,011.64 = 371,619.44 : x
  2. Step 2: Convert to fraction form
    677,549.30/935,011.64 = 371,619.44/x
  3. Step 3: Cross multiply
    677,549.30x = 935,011.64 × 371,619.44
  4. Step 4: Simplify right side
    677,549.30x = 347,468,502,050.28
  5. Step 5: Solve for x
    x = 347,468,502,050.28/677,549.30
  6. Step 6: Final answer
    x = 512,831.32

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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.