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Finding the Fourth Proportional to 533,117.40, 798,120.90 and 477,130.20

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Solution

The fourth proportional to 533,117.40, 798,120.90 and 477,130.20 is: 714,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,117.40 : 798,120.90 = 477,130.20 : x
  2. Step 2: Convert to fraction form
    533,117.40/798,120.90 = 477,130.20/x
  3. Step 3: Cross multiply
    533,117.40x = 798,120.90 × 477,130.20
  4. Step 4: Simplify right side
    533,117.40x = 380,807,584,641.18
  5. Step 5: Solve for x
    x = 380,807,584,641.18/533,117.40
  6. Step 6: Final answer
    x = 714,303.42

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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.