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Finding the Fourth Proportional to 488,300.40, 732,450.60 and 346,582.80

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Solution

The fourth proportional to 488,300.40, 732,450.60 and 346,582.80 is: 519,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,300.40 : 732,450.60 = 346,582.80 : x
  2. Step 2: Convert to fraction form
    488,300.40/732,450.60 = 346,582.80/x
  3. Step 3: Cross multiply
    488,300.40x = 732,450.60 × 346,582.80
  4. Step 4: Simplify right side
    488,300.40x = 253,854,779,809.68
  5. Step 5: Solve for x
    x = 253,854,779,809.68/488,300.40
  6. Step 6: Final answer
    x = 519,874.20

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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.