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Finding the Fourth Proportional to 658,368.40, 987,552.60 and 606,528.40

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Solution

The fourth proportional to 658,368.40, 987,552.60 and 606,528.40 is: 909,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,368.40 : 987,552.60 = 606,528.40 : x
  2. Step 2: Convert to fraction form
    658,368.40/987,552.60 = 606,528.40/x
  3. Step 3: Cross multiply
    658,368.40x = 987,552.60 × 606,528.40
  4. Step 4: Simplify right side
    658,368.40x = 598,978,698,393.84
  5. Step 5: Solve for x
    x = 598,978,698,393.84/658,368.40
  6. Step 6: Final answer
    x = 909,792.60

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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.