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Finding the Fourth Proportional to 497,184.40, 745,776.60 and 260,599.60

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Solution

The fourth proportional to 497,184.40, 745,776.60 and 260,599.60 is: 390,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,184.40 : 745,776.60 = 260,599.60 : x
  2. Step 2: Convert to fraction form
    497,184.40/745,776.60 = 260,599.60/x
  3. Step 3: Cross multiply
    497,184.40x = 745,776.60 × 260,599.60
  4. Step 4: Simplify right side
    497,184.40x = 194,349,083,649.36
  5. Step 5: Solve for x
    x = 194,349,083,649.36/497,184.40
  6. Step 6: Final answer
    x = 390,899.40

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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.