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Finding the Fourth Proportional to 560,480.81, 840,854.61 and 181,401.55

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Solution

The fourth proportional to 560,480.81, 840,854.61 and 181,401.55 is: 272,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,480.81 : 840,854.61 = 181,401.55 : x
  2. Step 2: Convert to fraction form
    560,480.81/840,854.61 = 181,401.55/x
  3. Step 3: Cross multiply
    560,480.81x = 840,854.61 × 181,401.55
  4. Step 4: Simplify right side
    560,480.81x = 152,532,327,476.51
  5. Step 5: Solve for x
    x = 152,532,327,476.51/560,480.81
  6. Step 6: Final answer
    x = 272,145.50

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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.