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Finding the Fourth Proportional to 607,028.80, 910,543.20 and 574,369.60

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Solution

The fourth proportional to 607,028.80, 910,543.20 and 574,369.60 is: 861,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,028.80 : 910,543.20 = 574,369.60 : x
  2. Step 2: Convert to fraction form
    607,028.80/910,543.20 = 574,369.60/x
  3. Step 3: Cross multiply
    607,028.80x = 910,543.20 × 574,369.60
  4. Step 4: Simplify right side
    607,028.80x = 522,988,333,566.72
  5. Step 5: Solve for x
    x = 522,988,333,566.72/607,028.80
  6. Step 6: Final answer
    x = 861,554.40

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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.