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Finding the Fourth Proportional to 440,322.84, 607,645.47 and 249,336.18

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Solution

The fourth proportional to 440,322.84, 607,645.47 and 249,336.18 is: 344,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,322.84 : 607,645.47 = 249,336.18 : x
  2. Step 2: Convert to fraction form
    440,322.84/607,645.47 = 249,336.18/x
  3. Step 3: Cross multiply
    440,322.84x = 607,645.47 × 249,336.18
  4. Step 4: Simplify right side
    440,322.84x = 151,508,000,284.11
  5. Step 5: Solve for x
    x = 151,508,000,284.11/440,322.84
  6. Step 6: Final answer
    x = 344,083.90

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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.