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Finding the Fourth Proportional to 447,547.68, 617,615.82 and 243,599.40

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Solution

The fourth proportional to 447,547.68, 617,615.82 and 243,599.40 is: 336,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,547.68 : 617,615.82 = 243,599.40 : x
  2. Step 2: Convert to fraction form
    447,547.68/617,615.82 = 243,599.40/x
  3. Step 3: Cross multiply
    447,547.68x = 617,615.82 × 243,599.40
  4. Step 4: Simplify right side
    447,547.68x = 150,450,843,182.51
  5. Step 5: Solve for x
    x = 150,450,843,182.51/447,547.68
  6. Step 6: Final answer
    x = 336,167.18

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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.