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Finding the Fourth Proportional to 552,130.40, 828,195.60 and 525,886.40

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Solution

The fourth proportional to 552,130.40, 828,195.60 and 525,886.40 is: 788,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,130.40 : 828,195.60 = 525,886.40 : x
  2. Step 2: Convert to fraction form
    552,130.40/828,195.60 = 525,886.40/x
  3. Step 3: Cross multiply
    552,130.40x = 828,195.60 × 525,886.40
  4. Step 4: Simplify right side
    552,130.40x = 435,536,802,579.84
  5. Step 5: Solve for x
    x = 435,536,802,579.84/552,130.40
  6. Step 6: Final answer
    x = 788,829.60

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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.