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Finding the Fourth Proportional to 607,384.16, 838,196.40 and 335,458.80

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Solution

The fourth proportional to 607,384.16, 838,196.40 and 335,458.80 is: 462,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,384.16 : 838,196.40 = 335,458.80 : x
  2. Step 2: Convert to fraction form
    607,384.16/838,196.40 = 335,458.80/x
  3. Step 3: Cross multiply
    607,384.16x = 838,196.40 × 335,458.80
  4. Step 4: Simplify right side
    607,384.16x = 281,180,358,508.32
  5. Step 5: Solve for x
    x = 281,180,358,508.32/607,384.16
  6. Step 6: Final answer
    x = 462,936.60

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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.