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Finding the Fourth Proportional to 549,802.70, 824,445.25 and 213,001.06

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Solution

The fourth proportional to 549,802.70, 824,445.25 and 213,001.06 is: 319,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,802.70 : 824,445.25 = 213,001.06 : x
  2. Step 2: Convert to fraction form
    549,802.70/824,445.25 = 213,001.06/x
  3. Step 3: Cross multiply
    549,802.70x = 824,445.25 × 213,001.06
  4. Step 4: Simplify right side
    549,802.70x = 175,607,709,568.35
  5. Step 5: Solve for x
    x = 175,607,709,568.35/549,802.70
  6. Step 6: Final answer
    x = 319,401.32

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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.