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Finding the Fourth Proportional to 622,031.10, 934,030.80 and 472,440.30

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Solution

The fourth proportional to 622,031.10, 934,030.80 and 472,440.30 is: 709,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,031.10 : 934,030.80 = 472,440.30 : x
  2. Step 2: Convert to fraction form
    622,031.10/934,030.80 = 472,440.30/x
  3. Step 3: Cross multiply
    622,031.10x = 934,030.80 × 472,440.30
  4. Step 4: Simplify right side
    622,031.10x = 441,273,791,361.24
  5. Step 5: Solve for x
    x = 441,273,791,361.24/622,031.10
  6. Step 6: Final answer
    x = 709,407.92

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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.