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Finding the Fourth Proportional to 376,499.40, 564,230.70 and 249,779.40

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Solution

The fourth proportional to 376,499.40, 564,230.70 and 249,779.40 is: 374,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,499.40 : 564,230.70 = 249,779.40 : x
  2. Step 2: Convert to fraction form
    376,499.40/564,230.70 = 249,779.40/x
  3. Step 3: Cross multiply
    376,499.40x = 564,230.70 × 249,779.40
  4. Step 4: Simplify right side
    376,499.40x = 140,933,205,707.58
  5. Step 5: Solve for x
    x = 140,933,205,707.58/376,499.40
  6. Step 6: Final answer
    x = 374,325.18

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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.