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Finding the Fourth Proportional to 910,573.60, 1,366,686.60 and 461,606.80

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Solution

The fourth proportional to 910,573.60, 1,366,686.60 and 461,606.80 is: 692,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,573.60 : 1,366,686.60 = 461,606.80 : x
  2. Step 2: Convert to fraction form
    910,573.60/1,366,686.60 = 461,606.80/x
  3. Step 3: Cross multiply
    910,573.60x = 1,366,686.60 × 461,606.80
  4. Step 4: Simplify right side
    910,573.60x = 630,871,828,028.88
  5. Step 5: Solve for x
    x = 630,871,828,028.88/910,573.60
  6. Step 6: Final answer
    x = 692,829.03

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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.