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Finding the Fourth Proportional to 353,122.60, 529,683.90 and 346,901.80

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Solution

The fourth proportional to 353,122.60, 529,683.90 and 346,901.80 is: 520,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,122.60 : 529,683.90 = 346,901.80 : x
  2. Step 2: Convert to fraction form
    353,122.60/529,683.90 = 346,901.80/x
  3. Step 3: Cross multiply
    353,122.60x = 529,683.90 × 346,901.80
  4. Step 4: Simplify right side
    353,122.60x = 183,748,298,341.02
  5. Step 5: Solve for x
    x = 183,748,298,341.02/353,122.60
  6. Step 6: Final answer
    x = 520,352.70

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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.