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Finding the Fourth Proportional to 437,510.92, 656,298.54 and 157,030.60

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Solution

The fourth proportional to 437,510.92, 656,298.54 and 157,030.60 is: 235,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,510.92 : 656,298.54 = 157,030.60 : x
  2. Step 2: Convert to fraction form
    437,510.92/656,298.54 = 157,030.60/x
  3. Step 3: Cross multiply
    437,510.92x = 656,298.54 × 157,030.60
  4. Step 4: Simplify right side
    437,510.92x = 103,058,953,515.32
  5. Step 5: Solve for x
    x = 103,058,953,515.32/437,510.92
  6. Step 6: Final answer
    x = 235,557.44

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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.