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Finding the Fourth Proportional to 606,901.59, 910,061.37 and 286,787.01

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Solution

The fourth proportional to 606,901.59, 910,061.37 and 286,787.01 is: 430,043.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,901.59 : 910,061.37 = 286,787.01 : x
  2. Step 2: Convert to fraction form
    606,901.59/910,061.37 = 286,787.01/x
  3. Step 3: Cross multiply
    606,901.59x = 910,061.37 × 286,787.01
  4. Step 4: Simplify right side
    606,901.59x = 260,993,779,218.80
  5. Step 5: Solve for x
    x = 260,993,779,218.80/606,901.59
  6. Step 6: Final answer
    x = 430,043.00

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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.