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Finding the Fourth Proportional to 507,927.58, 762,018.21 and 358,459.79

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Solution

The fourth proportional to 507,927.58, 762,018.21 and 358,459.79 is: 537,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,927.58 : 762,018.21 = 358,459.79 : x
  2. Step 2: Convert to fraction form
    507,927.58/762,018.21 = 358,459.79/x
  3. Step 3: Cross multiply
    507,927.58x = 762,018.21 × 358,459.79
  4. Step 4: Simplify right side
    507,927.58x = 273,152,887,532.78
  5. Step 5: Solve for x
    x = 273,152,887,532.78/507,927.58
  6. Step 6: Final answer
    x = 537,779.20

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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.