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Finding the Fourth Proportional to 294,075.40, 410,817.80 and 294,075.40

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Solution

The fourth proportional to 294,075.40, 410,817.80 and 294,075.40 is: 410,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,075.40 : 410,817.80 = 294,075.40 : x
  2. Step 2: Convert to fraction form
    294,075.40/410,817.80 = 294,075.40/x
  3. Step 3: Cross multiply
    294,075.40x = 410,817.80 × 294,075.40
  4. Step 4: Simplify right side
    294,075.40x = 120,811,408,862.12
  5. Step 5: Solve for x
    x = 120,811,408,862.12/294,075.40
  6. Step 6: Final answer
    x = 410,817.80

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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.