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Finding the Fourth Proportional to 575,747.40, 864,398.70 and 365,795.40

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Solution

The fourth proportional to 575,747.40, 864,398.70 and 365,795.40 is: 549,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,747.40 : 864,398.70 = 365,795.40 : x
  2. Step 2: Convert to fraction form
    575,747.40/864,398.70 = 365,795.40/x
  3. Step 3: Cross multiply
    575,747.40x = 864,398.70 × 365,795.40
  4. Step 4: Simplify right side
    575,747.40x = 316,193,068,225.98
  5. Step 5: Solve for x
    x = 316,193,068,225.98/575,747.40
  6. Step 6: Final answer
    x = 549,187.14

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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.