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Finding the Fourth Proportional to 374,030.04, 516,142.04 and 212,884.58

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Solution

The fourth proportional to 374,030.04, 516,142.04 and 212,884.58 is: 293,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,030.04 : 516,142.04 = 212,884.58 : x
  2. Step 2: Convert to fraction form
    374,030.04/516,142.04 = 212,884.58/x
  3. Step 3: Cross multiply
    374,030.04x = 516,142.04 × 212,884.58
  4. Step 4: Simplify right side
    374,030.04x = 109,878,681,405.74
  5. Step 5: Solve for x
    x = 109,878,681,405.74/374,030.04
  6. Step 6: Final answer
    x = 293,769.67

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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.