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Finding the Fourth Proportional to 705,507.66, 973,607.76 and 383,224.05

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Solution

The fourth proportional to 705,507.66, 973,607.76 and 383,224.05 is: 528,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,507.66 : 973,607.76 = 383,224.05 : x
  2. Step 2: Convert to fraction form
    705,507.66/973,607.76 = 383,224.05/x
  3. Step 3: Cross multiply
    705,507.66x = 973,607.76 × 383,224.05
  4. Step 4: Simplify right side
    705,507.66x = 373,109,908,898.63
  5. Step 5: Solve for x
    x = 373,109,908,898.63/705,507.66
  6. Step 6: Final answer
    x = 528,853.09

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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.