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Finding the Fourth Proportional to 403,459.53, 556,587.09 and 260,265.71

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Solution

The fourth proportional to 403,459.53, 556,587.09 and 260,265.71 is: 359,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,459.53 : 556,587.09 = 260,265.71 : x
  2. Step 2: Convert to fraction form
    403,459.53/556,587.09 = 260,265.71/x
  3. Step 3: Cross multiply
    403,459.53x = 556,587.09 × 260,265.71
  4. Step 4: Simplify right side
    403,459.53x = 144,860,531,372.75
  5. Step 5: Solve for x
    x = 144,860,531,372.75/403,459.53
  6. Step 6: Final answer
    x = 359,046.00

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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.