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Finding the Fourth Proportional to 532,885.75, 735,710.40 and 342,235.24

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Solution

The fourth proportional to 532,885.75, 735,710.40 and 342,235.24 is: 472,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,885.75 : 735,710.40 = 342,235.24 : x
  2. Step 2: Convert to fraction form
    532,885.75/735,710.40 = 342,235.24/x
  3. Step 3: Cross multiply
    532,885.75x = 735,710.40 × 342,235.24
  4. Step 4: Simplify right side
    532,885.75x = 251,786,025,314.50
  5. Step 5: Solve for x
    x = 251,786,025,314.50/532,885.75
  6. Step 6: Final answer
    x = 472,495.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.