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Finding the Fourth Proportional to 543,995.60, 750,699 and 302,271.95

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Solution

The fourth proportional to 543,995.60, 750,699 and 302,271.95 is: 417,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,995.60 : 750,699 = 302,271.95 : x
  2. Step 2: Convert to fraction form
    543,995.60/750,699 = 302,271.95/x
  3. Step 3: Cross multiply
    543,995.60x = 750,699 × 302,271.95
  4. Step 4: Simplify right side
    543,995.60x = 226,915,252,469.80
  5. Step 5: Solve for x
    x = 226,915,252,469.80/543,995.60
  6. Step 6: Final answer
    x = 417,127.00

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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.