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Finding the Fourth Proportional to 910,659.03, 1,366,054.56 and 349,693.53

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Solution

The fourth proportional to 910,659.03, 1,366,054.56 and 349,693.53 is: 524,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,659.03 : 1,366,054.56 = 349,693.53 : x
  2. Step 2: Convert to fraction form
    910,659.03/1,366,054.56 = 349,693.53/x
  3. Step 3: Cross multiply
    910,659.03x = 1,366,054.56 × 349,693.53
  4. Step 4: Simplify right side
    910,659.03x = 477,700,441,259.00
  5. Step 5: Solve for x
    x = 477,700,441,259.00/910,659.03
  6. Step 6: Final answer
    x = 524,565.64

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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.