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Finding the Fourth Proportional to 525,205.60, 787,808.40 and 344,802.40

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Solution

The fourth proportional to 525,205.60, 787,808.40 and 344,802.40 is: 517,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,205.60 : 787,808.40 = 344,802.40 : x
  2. Step 2: Convert to fraction form
    525,205.60/787,808.40 = 344,802.40/x
  3. Step 3: Cross multiply
    525,205.60x = 787,808.40 × 344,802.40
  4. Step 4: Simplify right side
    525,205.60x = 271,638,227,060.16
  5. Step 5: Solve for x
    x = 271,638,227,060.16/525,205.60
  6. Step 6: Final answer
    x = 517,203.60

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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.