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Finding the Fourth Proportional to 705,525.84, 973,643.22 and 383,235.84

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Solution

The fourth proportional to 705,525.84, 973,643.22 and 383,235.84 is: 528,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,525.84 : 973,643.22 = 383,235.84 : x
  2. Step 2: Convert to fraction form
    705,525.84/973,643.22 = 383,235.84/x
  3. Step 3: Cross multiply
    705,525.84x = 973,643.22 × 383,235.84
  4. Step 4: Simplify right side
    705,525.84x = 373,134,977,277.01
  5. Step 5: Solve for x
    x = 373,134,977,277.01/705,525.84
  6. Step 6: Final answer
    x = 528,875.00

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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.