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Finding the Fourth Proportional to 243,031.40, 364,547.10 and 183,982.40

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Solution

The fourth proportional to 243,031.40, 364,547.10 and 183,982.40 is: 275,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,031.40 : 364,547.10 = 183,982.40 : x
  2. Step 2: Convert to fraction form
    243,031.40/364,547.10 = 183,982.40/x
  3. Step 3: Cross multiply
    243,031.40x = 364,547.10 × 183,982.40
  4. Step 4: Simplify right side
    243,031.40x = 67,070,250,371.04
  5. Step 5: Solve for x
    x = 67,070,250,371.04/243,031.40
  6. Step 6: Final answer
    x = 275,973.60

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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.