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Finding the Fourth Proportional to 373,320.30, 559,980.45 and 338,328.30

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Solution

The fourth proportional to 373,320.30, 559,980.45 and 338,328.30 is: 507,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,320.30 : 559,980.45 = 338,328.30 : x
  2. Step 2: Convert to fraction form
    373,320.30/559,980.45 = 338,328.30/x
  3. Step 3: Cross multiply
    373,320.30x = 559,980.45 × 338,328.30
  4. Step 4: Simplify right side
    373,320.30x = 189,457,233,681.74
  5. Step 5: Solve for x
    x = 189,457,233,681.74/373,320.30
  6. Step 6: Final answer
    x = 507,492.45

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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.