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Finding the Fourth Proportional to 474,996.96, 710,812.36 and 418,946.58

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Solution

The fourth proportional to 474,996.96, 710,812.36 and 418,946.58 is: 626,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,996.96 : 710,812.36 = 418,946.58 : x
  2. Step 2: Convert to fraction form
    474,996.96/710,812.36 = 418,946.58/x
  3. Step 3: Cross multiply
    474,996.96x = 710,812.36 × 418,946.58
  4. Step 4: Simplify right side
    474,996.96x = 297,792,407,767.41
  5. Step 5: Solve for x
    x = 297,792,407,767.41/474,996.96
  6. Step 6: Final answer
    x = 626,935.40

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1.5x scale

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.