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Finding the Fourth Proportional to 359,148.60, 538,066.80 and 292,226.40

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Solution

The fourth proportional to 359,148.60, 538,066.80 and 292,226.40 is: 437,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,148.60 : 538,066.80 = 292,226.40 : x
  2. Step 2: Convert to fraction form
    359,148.60/538,066.80 = 292,226.40/x
  3. Step 3: Cross multiply
    359,148.60x = 538,066.80 × 292,226.40
  4. Step 4: Simplify right side
    359,148.60x = 157,237,323,923.52
  5. Step 5: Solve for x
    x = 157,237,323,923.52/359,148.60
  6. Step 6: Final answer
    x = 437,805.75

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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.