Home / 348,047.60-522,071.40-292,935.20

Finding the Fourth Proportional to 348,047.60, 522,071.40 and 292,935.20

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Solution

The fourth proportional to 348,047.60, 522,071.40 and 292,935.20 is: 439,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,047.60 : 522,071.40 = 292,935.20 : x
  2. Step 2: Convert to fraction form
    348,047.60/522,071.40 = 292,935.20/x
  3. Step 3: Cross multiply
    348,047.60x = 522,071.40 × 292,935.20
  4. Step 4: Simplify right side
    348,047.60x = 152,933,089,973.28
  5. Step 5: Solve for x
    x = 152,933,089,973.28/348,047.60
  6. Step 6: Final answer
    x = 439,402.80

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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.