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Finding the Fourth Proportional to 532,307.50, 798,587.10 and 172,477.76

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Solution

The fourth proportional to 532,307.50, 798,587.10 and 172,477.76 is: 258,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,307.50 : 798,587.10 = 172,477.76 : x
  2. Step 2: Convert to fraction form
    532,307.50/798,587.10 = 172,477.76/x
  3. Step 3: Cross multiply
    532,307.50x = 798,587.10 × 172,477.76
  4. Step 4: Simplify right side
    532,307.50x = 137,738,509,317.57
  5. Step 5: Solve for x
    x = 137,738,509,317.57/532,307.50
  6. Step 6: Final answer
    x = 258,757.41

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1.5x scale

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.