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Finding the Fourth Proportional to 556,281.15, 834,421.73 and 556,281.15

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Solution

The fourth proportional to 556,281.15, 834,421.73 and 556,281.15 is: 834,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,281.15 : 834,421.73 = 556,281.15 : x
  2. Step 2: Convert to fraction form
    556,281.15/834,421.73 = 556,281.15/x
  3. Step 3: Cross multiply
    556,281.15x = 834,421.73 × 556,281.15
  4. Step 4: Simplify right side
    556,281.15x = 464,173,076,767.98
  5. Step 5: Solve for x
    x = 464,173,076,767.98/556,281.15
  6. Step 6: Final answer
    x = 834,421.73

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1.5x scale

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.