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Finding the Fourth Proportional to 761,956.92, 1,051,460.16 and 435,205.77

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Solution

The fourth proportional to 761,956.92, 1,051,460.16 and 435,205.77 is: 600,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,956.92 : 1,051,460.16 = 435,205.77 : x
  2. Step 2: Convert to fraction form
    761,956.92/1,051,460.16 = 435,205.77/x
  3. Step 3: Cross multiply
    761,956.92x = 1,051,460.16 × 435,205.77
  4. Step 4: Simplify right side
    761,956.92x = 457,601,528,557.12
  5. Step 5: Solve for x
    x = 457,601,528,557.12/761,956.92
  6. Step 6: Final answer
    x = 600,560.89

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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.