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Finding the Fourth Proportional to 586,416.80, 878,458.80 and 544,426.40

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Solution

The fourth proportional to 586,416.80, 878,458.80 and 544,426.40 is: 815,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,416.80 : 878,458.80 = 544,426.40 : x
  2. Step 2: Convert to fraction form
    586,416.80/878,458.80 = 544,426.40/x
  3. Step 3: Cross multiply
    586,416.80x = 878,458.80 × 544,426.40
  4. Step 4: Simplify right side
    586,416.80x = 478,256,162,032.32
  5. Step 5: Solve for x
    x = 478,256,162,032.32/586,416.80
  6. Step 6: Final answer
    x = 815,556.72

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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.