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Finding the Fourth Proportional to 610,969.40, 916,454.10 and 532,237.40

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Solution

The fourth proportional to 610,969.40, 916,454.10 and 532,237.40 is: 798,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,969.40 : 916,454.10 = 532,237.40 : x
  2. Step 2: Convert to fraction form
    610,969.40/916,454.10 = 532,237.40/x
  3. Step 3: Cross multiply
    610,969.40x = 916,454.10 × 532,237.40
  4. Step 4: Simplify right side
    610,969.40x = 487,771,147,403.34
  5. Step 5: Solve for x
    x = 487,771,147,403.34/610,969.40
  6. Step 6: Final answer
    x = 798,356.10

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Similar ratio
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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.