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Finding the Fourth Proportional to 429,551.51, 592,761.89 and 257,564.40

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Solution

The fourth proportional to 429,551.51, 592,761.89 and 257,564.40 is: 355,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,551.51 : 592,761.89 = 257,564.40 : x
  2. Step 2: Convert to fraction form
    429,551.51/592,761.89 = 257,564.40/x
  3. Step 3: Cross multiply
    429,551.51x = 592,761.89 × 257,564.40
  4. Step 4: Simplify right side
    429,551.51x = 152,674,360,540.72
  5. Step 5: Solve for x
    x = 152,674,360,540.72/429,551.51
  6. Step 6: Final answer
    x = 355,427.36

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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.