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Finding the Fourth Proportional to 525,101.10, 788,602.05 and 459,782.70

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Solution

The fourth proportional to 525,101.10, 788,602.05 and 459,782.70 is: 690,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,101.10 : 788,602.05 = 459,782.70 : x
  2. Step 2: Convert to fraction form
    525,101.10/788,602.05 = 459,782.70/x
  3. Step 3: Cross multiply
    525,101.10x = 788,602.05 × 459,782.70
  4. Step 4: Simplify right side
    525,101.10x = 362,585,579,774.54
  5. Step 5: Solve for x
    x = 362,585,579,774.54/525,101.10
  6. Step 6: Final answer
    x = 690,506.23

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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.