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Finding the Fourth Proportional to 705,602.16, 973,737.72 and 383,314.68

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Solution

The fourth proportional to 705,602.16, 973,737.72 and 383,314.68 is: 528,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,602.16 : 973,737.72 = 383,314.68 : x
  2. Step 2: Convert to fraction form
    705,602.16/973,737.72 = 383,314.68/x
  3. Step 3: Cross multiply
    705,602.16x = 973,737.72 × 383,314.68
  4. Step 4: Simplify right side
    705,602.16x = 373,247,962,545.73
  5. Step 5: Solve for x
    x = 373,247,962,545.73/705,602.16
  6. Step 6: Final answer
    x = 528,977.92

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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.