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Finding the Fourth Proportional to 476,170.90, 714,256.35 and 371,068.54

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Solution

The fourth proportional to 476,170.90, 714,256.35 and 371,068.54 is: 556,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,170.90 : 714,256.35 = 371,068.54 : x
  2. Step 2: Convert to fraction form
    476,170.90/714,256.35 = 371,068.54/x
  3. Step 3: Cross multiply
    476,170.90x = 714,256.35 × 371,068.54
  4. Step 4: Simplify right side
    476,170.90x = 265,038,060,980.23
  5. Step 5: Solve for x
    x = 265,038,060,980.23/476,170.90
  6. Step 6: Final answer
    x = 556,602.81

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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.