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Finding the Fourth Proportional to 677,259.48, 934,619.40 and 375,453.48

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Solution

The fourth proportional to 677,259.48, 934,619.40 and 375,453.48 is: 518,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,259.48 : 934,619.40 = 375,453.48 : x
  2. Step 2: Convert to fraction form
    677,259.48/934,619.40 = 375,453.48/x
  3. Step 3: Cross multiply
    677,259.48x = 934,619.40 × 375,453.48
  4. Step 4: Simplify right side
    677,259.48x = 350,906,106,205.51
  5. Step 5: Solve for x
    x = 350,906,106,205.51/677,259.48
  6. Step 6: Final answer
    x = 518,126.53

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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.