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Finding the Fourth Proportional to 556,411.86, 767,850.57 and 301,767.30

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Solution

The fourth proportional to 556,411.86, 767,850.57 and 301,767.30 is: 416,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,411.86 : 767,850.57 = 301,767.30 : x
  2. Step 2: Convert to fraction form
    556,411.86/767,850.57 = 301,767.30/x
  3. Step 3: Cross multiply
    556,411.86x = 767,850.57 × 301,767.30
  4. Step 4: Simplify right side
    556,411.86x = 231,712,193,312.36
  5. Step 5: Solve for x
    x = 231,712,193,312.36/556,411.86
  6. Step 6: Final answer
    x = 416,440.07

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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.