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Finding the Fourth Proportional to 657,000.10, 985,500.15 and 575,643.70

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Solution

The fourth proportional to 657,000.10, 985,500.15 and 575,643.70 is: 863,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,000.10 : 985,500.15 = 575,643.70 : x
  2. Step 2: Convert to fraction form
    657,000.10/985,500.15 = 575,643.70/x
  3. Step 3: Cross multiply
    657,000.10x = 985,500.15 × 575,643.70
  4. Step 4: Simplify right side
    657,000.10x = 567,296,952,696.56
  5. Step 5: Solve for x
    x = 567,296,952,696.56/657,000.10
  6. Step 6: Final answer
    x = 863,465.55

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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.