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Finding the Fourth Proportional to 553,570.83, 764,070.26 and 360,460.55

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Solution

The fourth proportional to 553,570.83, 764,070.26 and 360,460.55 is: 497,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,570.83 : 764,070.26 = 360,460.55 : x
  2. Step 2: Convert to fraction form
    553,570.83/764,070.26 = 360,460.55/x
  3. Step 3: Cross multiply
    553,570.83x = 764,070.26 × 360,460.55
  4. Step 4: Simplify right side
    553,570.83x = 275,417,186,266.12
  5. Step 5: Solve for x
    x = 275,417,186,266.12/553,570.83
  6. Step 6: Final answer
    x = 497,528.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.