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Finding the Fourth Proportional to 442,153.08, 610,038.54 and 251,139.96

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Solution

The fourth proportional to 442,153.08, 610,038.54 and 251,139.96 is: 346,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,153.08 : 610,038.54 = 251,139.96 : x
  2. Step 2: Convert to fraction form
    442,153.08/610,038.54 = 251,139.96/x
  3. Step 3: Cross multiply
    442,153.08x = 610,038.54 × 251,139.96
  4. Step 4: Simplify right side
    442,153.08x = 153,205,054,534.06
  5. Step 5: Solve for x
    x = 153,205,054,534.06/442,153.08
  6. Step 6: Final answer
    x = 346,497.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.