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Finding the Fourth Proportional to 476,172.40, 714,258.60 and 371,070.04

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Solution

The fourth proportional to 476,172.40, 714,258.60 and 371,070.04 is: 556,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,172.40 : 714,258.60 = 371,070.04 : x
  2. Step 2: Convert to fraction form
    476,172.40/714,258.60 = 371,070.04/x
  3. Step 3: Cross multiply
    476,172.40x = 714,258.60 × 371,070.04
  4. Step 4: Simplify right side
    476,172.40x = 265,039,967,272.34
  5. Step 5: Solve for x
    x = 265,039,967,272.34/476,172.40
  6. Step 6: Final answer
    x = 556,605.06

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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.