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Finding the Fourth Proportional to 604,988.87, 907,483.59 and 249,612.30

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Solution

The fourth proportional to 604,988.87, 907,483.59 and 249,612.30 is: 374,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,988.87 : 907,483.59 = 249,612.30 : x
  2. Step 2: Convert to fraction form
    604,988.87/907,483.59 = 249,612.30/x
  3. Step 3: Cross multiply
    604,988.87x = 907,483.59 × 249,612.30
  4. Step 4: Simplify right side
    604,988.87x = 226,519,066,112.16
  5. Step 5: Solve for x
    x = 226,519,066,112.16/604,988.87
  6. Step 6: Final answer
    x = 374,418.57

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Double scale
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Similar ratio
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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.