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Finding the Fourth Proportional to 604,976.49, 907,458.55 and 155,695.60

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Solution

The fourth proportional to 604,976.49, 907,458.55 and 155,695.60 is: 233,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,976.49 : 907,458.55 = 155,695.60 : x
  2. Step 2: Convert to fraction form
    604,976.49/907,458.55 = 155,695.60/x
  3. Step 3: Cross multiply
    604,976.49x = 907,458.55 × 155,695.60
  4. Step 4: Simplify right side
    604,976.49x = 141,287,303,417.38
  5. Step 5: Solve for x
    x = 141,287,303,417.38/604,976.49
  6. Step 6: Final answer
    x = 233,541.81

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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.