Home / 348,045.60-522,068.40-292,933.20

Finding the Fourth Proportional to 348,045.60, 522,068.40 and 292,933.20

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Solution

The fourth proportional to 348,045.60, 522,068.40 and 292,933.20 is: 439,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,045.60 : 522,068.40 = 292,933.20 : x
  2. Step 2: Convert to fraction form
    348,045.60/522,068.40 = 292,933.20/x
  3. Step 3: Cross multiply
    348,045.60x = 522,068.40 × 292,933.20
  4. Step 4: Simplify right side
    348,045.60x = 152,931,167,030.88
  5. Step 5: Solve for x
    x = 152,931,167,030.88/348,045.60
  6. Step 6: Final answer
    x = 439,399.80

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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.