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Finding the Fourth Proportional to 606,248.40, 907,817.40 and 578,254.80

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Solution

The fourth proportional to 606,248.40, 907,817.40 and 578,254.80 is: 865,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,248.40 : 907,817.40 = 578,254.80 : x
  2. Step 2: Convert to fraction form
    606,248.40/907,817.40 = 578,254.80/x
  3. Step 3: Cross multiply
    606,248.40x = 907,817.40 × 578,254.80
  4. Step 4: Simplify right side
    606,248.40x = 524,949,769,073.52
  5. Step 5: Solve for x
    x = 524,949,769,073.52/606,248.40
  6. Step 6: Final answer
    x = 865,898.81

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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.