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Finding the Fourth Proportional to 972,703.60, 1,458,277.80 and 411,276.40

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Solution

The fourth proportional to 972,703.60, 1,458,277.80 and 411,276.40 is: 616,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,703.60 : 1,458,277.80 = 411,276.40 : x
  2. Step 2: Convert to fraction form
    972,703.60/1,458,277.80 = 411,276.40/x
  3. Step 3: Cross multiply
    972,703.60x = 1,458,277.80 × 411,276.40
  4. Step 4: Simplify right side
    972,703.60x = 599,755,243,783.92
  5. Step 5: Solve for x
    x = 599,755,243,783.92/972,703.60
  6. Step 6: Final answer
    x = 616,585.82

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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.