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Finding the Fourth Proportional to 593,072.60, 889,608.90 and 572,077.40

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Solution

The fourth proportional to 593,072.60, 889,608.90 and 572,077.40 is: 858,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,072.60 : 889,608.90 = 572,077.40 : x
  2. Step 2: Convert to fraction form
    593,072.60/889,608.90 = 572,077.40/x
  3. Step 3: Cross multiply
    593,072.60x = 889,608.90 × 572,077.40
  4. Step 4: Simplify right side
    593,072.60x = 508,925,146,528.86
  5. Step 5: Solve for x
    x = 508,925,146,528.86/593,072.60
  6. Step 6: Final answer
    x = 858,116.10

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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.