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Finding the Fourth Proportional to 549,526.80, 824,290.20 and 511,035.60

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Solution

The fourth proportional to 549,526.80, 824,290.20 and 511,035.60 is: 766,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,526.80 : 824,290.20 = 511,035.60 : x
  2. Step 2: Convert to fraction form
    549,526.80/824,290.20 = 511,035.60/x
  3. Step 3: Cross multiply
    549,526.80x = 824,290.20 × 511,035.60
  4. Step 4: Simplify right side
    549,526.80x = 421,241,636,931.12
  5. Step 5: Solve for x
    x = 421,241,636,931.12/549,526.80
  6. Step 6: Final answer
    x = 766,553.40

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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.