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Finding the Fourth Proportional to 606,497.40, 909,746.10 and 382,111.20

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Solution

The fourth proportional to 606,497.40, 909,746.10 and 382,111.20 is: 573,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,497.40 : 909,746.10 = 382,111.20 : x
  2. Step 2: Convert to fraction form
    606,497.40/909,746.10 = 382,111.20/x
  3. Step 3: Cross multiply
    606,497.40x = 909,746.10 × 382,111.20
  4. Step 4: Simplify right side
    606,497.40x = 347,624,173,966.32
  5. Step 5: Solve for x
    x = 347,624,173,966.32/606,497.40
  6. Step 6: Final answer
    x = 573,166.80

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Double scale
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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.