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Finding the Fourth Proportional to 532,121.60, 798,009.60 and 177,075.20

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Solution

The fourth proportional to 532,121.60, 798,009.60 and 177,075.20 is: 265,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,121.60 : 798,009.60 = 177,075.20 : x
  2. Step 2: Convert to fraction form
    532,121.60/798,009.60 = 177,075.20/x
  3. Step 3: Cross multiply
    532,121.60x = 798,009.60 × 177,075.20
  4. Step 4: Simplify right side
    532,121.60x = 141,307,709,521.92
  5. Step 5: Solve for x
    x = 141,307,709,521.92/532,121.60
  6. Step 6: Final answer
    x = 265,555.30

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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.