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Finding the Fourth Proportional to 543,982.66, 750,681.23 and 302,259.01

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Solution

The fourth proportional to 543,982.66, 750,681.23 and 302,259.01 is: 417,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,982.66 : 750,681.23 = 302,259.01 : x
  2. Step 2: Convert to fraction form
    543,982.66/750,681.23 = 302,259.01/x
  3. Step 3: Cross multiply
    543,982.66x = 750,681.23 × 302,259.01
  4. Step 4: Simplify right side
    543,982.66x = 226,900,165,405.38
  5. Step 5: Solve for x
    x = 226,900,165,405.38/543,982.66
  6. Step 6: Final answer
    x = 417,109.19

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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.