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Finding the Fourth Proportional to 606,931.76, 910,106.75 and 286,817.13

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Solution

The fourth proportional to 606,931.76, 910,106.75 and 286,817.13 is: 430,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,931.76 : 910,106.75 = 286,817.13 : x
  2. Step 2: Convert to fraction form
    606,931.76/910,106.75 = 286,817.13/x
  3. Step 3: Cross multiply
    606,931.76x = 910,106.75 × 286,817.13
  4. Step 4: Simplify right side
    606,931.76x = 261,034,206,745.67
  5. Step 5: Solve for x
    x = 261,034,206,745.67/606,931.76
  6. Step 6: Final answer
    x = 430,088.23

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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.