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Finding the Fourth Proportional to 607,951.28, 838,973.58 and 349,823.10

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Solution

The fourth proportional to 607,951.28, 838,973.58 and 349,823.10 is: 482,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,951.28 : 838,973.58 = 349,823.10 : x
  2. Step 2: Convert to fraction form
    607,951.28/838,973.58 = 349,823.10/x
  3. Step 3: Cross multiply
    607,951.28x = 838,973.58 × 349,823.10
  4. Step 4: Simplify right side
    607,951.28x = 293,492,338,573.70
  5. Step 5: Solve for x
    x = 293,492,338,573.70/607,951.28
  6. Step 6: Final answer
    x = 482,756.35

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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.