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Finding the Fourth Proportional to 677,062.40, 933,921.24 and 435,658.64

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Solution

The fourth proportional to 677,062.40, 933,921.24 and 435,658.64 is: 600,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,062.40 : 933,921.24 = 435,658.64 : x
  2. Step 2: Convert to fraction form
    677,062.40/933,921.24 = 435,658.64/x
  3. Step 3: Cross multiply
    677,062.40x = 933,921.24 × 435,658.64
  4. Step 4: Simplify right side
    677,062.40x = 406,870,857,285.51
  5. Step 5: Solve for x
    x = 406,870,857,285.51/677,062.40
  6. Step 6: Final answer
    x = 600,935.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.