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Finding the Fourth Proportional to 675,673.16, 932,365.46 and 457,437.89

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Solution

The fourth proportional to 675,673.16, 932,365.46 and 457,437.89 is: 631,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,673.16 : 932,365.46 = 457,437.89 : x
  2. Step 2: Convert to fraction form
    675,673.16/932,365.46 = 457,437.89/x
  3. Step 3: Cross multiply
    675,673.16x = 932,365.46 × 457,437.89
  4. Step 4: Simplify right side
    675,673.16x = 426,499,292,205.79
  5. Step 5: Solve for x
    x = 426,499,292,205.79/675,673.16
  6. Step 6: Final answer
    x = 631,221.31

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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.