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Finding the Fourth Proportional to 326,058.40, 456,792.80 and 326,058.40

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Solution

The fourth proportional to 326,058.40, 456,792.80 and 326,058.40 is: 456,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,058.40 : 456,792.80 = 326,058.40 : x
  2. Step 2: Convert to fraction form
    326,058.40/456,792.80 = 326,058.40/x
  3. Step 3: Cross multiply
    326,058.40x = 456,792.80 × 326,058.40
  4. Step 4: Simplify right side
    326,058.40x = 148,941,129,499.52
  5. Step 5: Solve for x
    x = 148,941,129,499.52/326,058.40
  6. Step 6: Final answer
    x = 456,792.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.