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Finding the Fourth Proportional to 365,870.60, 549,972.30 and 344,875.40

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Solution

The fourth proportional to 365,870.60, 549,972.30 and 344,875.40 is: 518,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,870.60 : 549,972.30 = 344,875.40 : x
  2. Step 2: Convert to fraction form
    365,870.60/549,972.30 = 344,875.40/x
  3. Step 3: Cross multiply
    365,870.60x = 549,972.30 × 344,875.40
  4. Step 4: Simplify right side
    365,870.60x = 189,671,916,951.42
  5. Step 5: Solve for x
    x = 189,671,916,951.42/365,870.60
  6. Step 6: Final answer
    x = 518,412.57

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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.