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Finding the Fourth Proportional to 584,881.59, 807,136.74 and 316,609.59

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Solution

The fourth proportional to 584,881.59, 807,136.74 and 316,609.59 is: 436,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,881.59 : 807,136.74 = 316,609.59 : x
  2. Step 2: Convert to fraction form
    584,881.59/807,136.74 = 316,609.59/x
  3. Step 3: Cross multiply
    584,881.59x = 807,136.74 × 316,609.59
  4. Step 4: Simplify right side
    584,881.59x = 255,547,232,325.34
  5. Step 5: Solve for x
    x = 255,547,232,325.34/584,881.59
  6. Step 6: Final answer
    x = 436,921.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.