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Finding the Fourth Proportional to 506,070.40, 758,230.80 and 239,256.40

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Solution

The fourth proportional to 506,070.40, 758,230.80 and 239,256.40 is: 358,471.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,070.40 : 758,230.80 = 239,256.40 : x
  2. Step 2: Convert to fraction form
    506,070.40/758,230.80 = 239,256.40/x
  3. Step 3: Cross multiply
    506,070.40x = 758,230.80 × 239,256.40
  4. Step 4: Simplify right side
    506,070.40x = 181,411,571,577.12
  5. Step 5: Solve for x
    x = 181,411,571,577.12/506,070.40
  6. Step 6: Final answer
    x = 358,471.02

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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.