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Finding the Fourth Proportional to 348,552.80, 522,818.40 and 99,234.80

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Solution

The fourth proportional to 348,552.80, 522,818.40 and 99,234.80 is: 148,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,552.80 : 522,818.40 = 99,234.80 : x
  2. Step 2: Convert to fraction form
    348,552.80/522,818.40 = 99,234.80/x
  3. Step 3: Cross multiply
    348,552.80x = 522,818.40 × 99,234.80
  4. Step 4: Simplify right side
    348,552.80x = 51,881,779,360.32
  5. Step 5: Solve for x
    x = 51,881,779,360.32/348,552.80
  6. Step 6: Final answer
    x = 148,849.13

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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.