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Finding the Fourth Proportional to 525,455.17, 785,303.66 and 383,599.17

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Solution

The fourth proportional to 525,455.17, 785,303.66 and 383,599.17 is: 573,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,455.17 : 785,303.66 = 383,599.17 : x
  2. Step 2: Convert to fraction form
    525,455.17/785,303.66 = 383,599.17/x
  3. Step 3: Cross multiply
    525,455.17x = 785,303.66 × 383,599.17
  4. Step 4: Simplify right side
    525,455.17x = 301,241,832,173.96
  5. Step 5: Solve for x
    x = 301,241,832,173.96/525,455.17
  6. Step 6: Final answer
    x = 573,296.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.