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Finding the Fourth Proportional to 464,501.80, 696,752.70 and 371,189.80

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Solution

The fourth proportional to 464,501.80, 696,752.70 and 371,189.80 is: 556,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,501.80 : 696,752.70 = 371,189.80 : x
  2. Step 2: Convert to fraction form
    464,501.80/696,752.70 = 371,189.80/x
  3. Step 3: Cross multiply
    464,501.80x = 696,752.70 × 371,189.80
  4. Step 4: Simplify right side
    464,501.80x = 258,627,495,362.46
  5. Step 5: Solve for x
    x = 258,627,495,362.46/464,501.80
  6. Step 6: Final answer
    x = 556,784.70

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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.