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Finding the Fourth Proportional to 586,290.35, 808,965.66 and 368,372.77

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Solution

The fourth proportional to 586,290.35, 808,965.66 and 368,372.77 is: 508,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,290.35 : 808,965.66 = 368,372.77 : x
  2. Step 2: Convert to fraction form
    586,290.35/808,965.66 = 368,372.77/x
  3. Step 3: Cross multiply
    586,290.35x = 808,965.66 × 368,372.77
  4. Step 4: Simplify right side
    586,290.35x = 298,000,918,986.66
  5. Step 5: Solve for x
    x = 298,000,918,986.66/586,290.35
  6. Step 6: Final answer
    x = 508,282.15

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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.