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Finding the Fourth Proportional to 657,263.79, 907,020.69 and 366,858.74

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Solution

The fourth proportional to 657,263.79, 907,020.69 and 366,858.74 is: 506,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,263.79 : 907,020.69 = 366,858.74 : x
  2. Step 2: Convert to fraction form
    657,263.79/907,020.69 = 366,858.74/x
  3. Step 3: Cross multiply
    657,263.79x = 907,020.69 × 366,858.74
  4. Step 4: Simplify right side
    657,263.79x = 332,748,468,379.16
  5. Step 5: Solve for x
    x = 332,748,468,379.16/657,263.79
  6. Step 6: Final answer
    x = 506,263.20

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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.