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Finding the Fourth Proportional to 577,055.60, 865,583.40 and 577,055.60

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Solution

The fourth proportional to 577,055.60, 865,583.40 and 577,055.60 is: 865,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,055.60 : 865,583.40 = 577,055.60 : x
  2. Step 2: Convert to fraction form
    577,055.60/865,583.40 = 577,055.60/x
  3. Step 3: Cross multiply
    577,055.60x = 865,583.40 × 577,055.60
  4. Step 4: Simplify right side
    577,055.60x = 499,489,748,237.04
  5. Step 5: Solve for x
    x = 499,489,748,237.04/577,055.60
  6. Step 6: Final answer
    x = 865,583.40

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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.