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Finding the Fourth Proportional to 556,063.92, 830,026.44 and 477,681.84

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Solution

The fourth proportional to 556,063.92, 830,026.44 and 477,681.84 is: 713,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,063.92 : 830,026.44 = 477,681.84 : x
  2. Step 2: Convert to fraction form
    556,063.92/830,026.44 = 477,681.84/x
  3. Step 3: Cross multiply
    556,063.92x = 830,026.44 × 477,681.84
  4. Step 4: Simplify right side
    556,063.92x = 396,488,557,107.85
  5. Step 5: Solve for x
    x = 396,488,557,107.85/556,063.92
  6. Step 6: Final answer
    x = 713,026.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.