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Finding the Fourth Proportional to 657,964.61, 986,981.64 and 184,686.87

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Solution

The fourth proportional to 657,964.61, 986,981.64 and 184,686.87 is: 277,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,964.61 : 986,981.64 = 184,686.87 : x
  2. Step 2: Convert to fraction form
    657,964.61/986,981.64 = 184,686.87/x
  3. Step 3: Cross multiply
    657,964.61x = 986,981.64 × 184,686.87
  4. Step 4: Simplify right side
    657,964.61x = 182,282,549,839.07
  5. Step 5: Solve for x
    x = 182,282,549,839.07/657,964.61
  6. Step 6: Final answer
    x = 277,040.05

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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.