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Finding the Fourth Proportional to 434,411.32, 599,477.88 and 253,111.90

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Solution

The fourth proportional to 434,411.32, 599,477.88 and 253,111.90 is: 349,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,411.32 : 599,477.88 = 253,111.90 : x
  2. Step 2: Convert to fraction form
    434,411.32/599,477.88 = 253,111.90/x
  3. Step 3: Cross multiply
    434,411.32x = 599,477.88 × 253,111.90
  4. Step 4: Simplify right side
    434,411.32x = 151,734,985,214.77
  5. Step 5: Solve for x
    x = 151,734,985,214.77/434,411.32
  6. Step 6: Final answer
    x = 349,288.75

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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.