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Finding the Fourth Proportional to 326,075.10, 488,335.05 and 326,075.10

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Solution

The fourth proportional to 326,075.10, 488,335.05 and 326,075.10 is: 488,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,075.10 : 488,335.05 = 326,075.10 : x
  2. Step 2: Convert to fraction form
    326,075.10/488,335.05 = 326,075.10/x
  3. Step 3: Cross multiply
    326,075.10x = 488,335.05 × 326,075.10
  4. Step 4: Simplify right side
    326,075.10x = 159,233,900,262.26
  5. Step 5: Solve for x
    x = 159,233,900,262.26/326,075.10
  6. Step 6: Final answer
    x = 488,335.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.