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Finding the Fourth Proportional to 303,526.68, 455,303.16 and 93,172.92

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Solution

The fourth proportional to 303,526.68, 455,303.16 and 93,172.92 is: 139,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,526.68 : 455,303.16 = 93,172.92 : x
  2. Step 2: Convert to fraction form
    303,526.68/455,303.16 = 93,172.92/x
  3. Step 3: Cross multiply
    303,526.68x = 455,303.16 × 93,172.92
  4. Step 4: Simplify right side
    303,526.68x = 42,421,924,902.43
  5. Step 5: Solve for x
    x = 42,421,924,902.43/303,526.68
  6. Step 6: Final answer
    x = 139,763.41

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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.